{"id":39221,"date":"2026-08-31T09:21:35","date_gmt":"2026-08-31T07:21:35","guid":{"rendered":"https:\/\/mascherpa.it\/?p=39221"},"modified":"2026-09-03T18:06:43","modified_gmt":"2026-09-03T16:06:43","slug":"39221","status":"publish","type":"post","link":"https:\/\/mascherpa.it\/en\/blog\/composite-pultrusion-process-resins-and-reinforcements-2\/","title":{"rendered":"Epoxy systems for composites: processes and applications"},"content":{"rendered":"[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#f7f7f7&#8243; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;15px&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;punti&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;clip-path&#8221; clip_path_animation_type=&#8221;default&#8221; clip_path_animation_applies=&#8221;default&#8221; clip_path_animation_addon=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;padding-3-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Key points on epoxy systems for composites<\/strong><\/h2>\n[\/vc_column_text]<div class=\"nectar-fancy-ul\" data-list-icon=\"icon-salient-check\" data-animation=\"true\" data-animation-delay=\"0\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The choice of <\/span><b>epoxy systems<\/b><span style=\"font-weight: 400;\"> must start from the <\/span><b>production process<\/b><span style=\"font-weight: 400;\"> and the performance required of the component.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Resin<\/b><span style=\"font-weight: 400;\"> and<\/span><b> hardener<\/b><span style=\"font-weight: 400;\"> form a <\/span><b>system<\/b><span style=\"font-weight: 400;\">: by changing the combination, workability, viscosity, reactivity, and Tg can vary.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Pot life<\/b><span style=\"font-weight: 400;\">, <\/span><b>gel time<\/b><span style=\"font-weight: 400;\">, <\/span><b>viscosity<\/b><span style=\"font-weight: 400;\">, <\/span><b>cure<\/b> <b>cycle<\/b><span style=\"font-weight: 400;\"> and <\/span><b>Tg<\/b><span style=\"font-weight: 400;\"> are central parameters in the selection.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hand lay-up, compression molding, RTM, infusion, filament winding, and pultrusion require different characteristics.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The <\/span><b>Huntsman Araldite\u00ae<\/b><span style=\"font-weight: 400;\"> range includes <\/span><b>epoxy systems <\/b><span style=\"font-weight: 400;\">formulated to meet different processes and application requirements.<\/span><\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;30&#8243;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">When talking about <\/span><b>epoxy resins<\/b><span style=\"font-weight: 400;\"> for <\/span><a href=\"https:\/\/mascherpa.it\/guida-prodotto\/compositi\/\"><b>composite materials<\/b><\/a><span style=\"font-weight: 400;\">, focusing exclusively on the <\/span><b>base<\/b> <b>resin<\/b><span style=\"font-weight: 400;\"> is not enough to identify the most suitable solution.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Behavior during processing and the characteristics achievable after hardening depend on the <\/span><b>epoxy system<\/b><span style=\"font-weight: 400;\">, i.e., the <\/span><b>combination<\/b><span style=\"font-weight: 400;\"> of <\/span><b>resin<\/b><span style=\"font-weight: 400;\">, <\/span><b>hardener<\/b><span style=\"font-weight: 400;\"> and any <\/span><b>accelerators<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>same resin<\/b><span style=\"font-weight: 400;\"> can therefore be used within <\/span><b>different systems<\/b><span style=\"font-weight: 400;\">, modifying parameters such as viscosity, pot life, gelation, cure cycle, and glass transition temperature. For this reason, the choice of <\/span><b>epoxy systems for composites<\/b><span style=\"font-weight: 400;\"> should first and foremost start with a question: <\/span><b>with which process will the component be made?<\/b><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><a href=\"https:\/\/mascherpa.it\/guida-prodotto\/marchi\/araldite\/\"><b>Huntsman Araldite\u00ae<\/b><\/a><span style=\"font-weight: 400;\"> range includes <\/span><b>epoxy systems<\/b><span style=\"font-weight: 400;\"> formulated for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">hand lay-up;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">compression molding;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">RTM;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">infusion;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">winding process<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">pultrusion. <\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/mascherpa.it\/guida-prodotto\/compositi\/sistemi-di-resina-per-compositi\/\"><b>Resin systems for composites<\/b><\/a><span style=\"font-weight: 400;\"> with different characteristics depending on production conditions and required performance.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;39223&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;small_depth&#8221; image_loading=&#8221;default&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#f7f7f7&#8243; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;15px&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;clip-path&#8221; clip_path_animation_type=&#8221;default&#8221; clip_path_animation_applies=&#8221;default&#8221; clip_path_animation_addon=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;padding-3-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2 class=\"p3\">Index<\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#1\"><span style=\"font-weight: 400;\">What are epoxy systems for composite materials<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#2\"><span style=\"font-weight: 400;\">Why the same resin can give rise to different epoxy systems<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#3\"><span style=\"font-weight: 400;\">Which parameters to consider when choosing epoxy systems<\/span><\/a>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#4\"><span style=\"font-weight: 400;\">Pot life of epoxy systems<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#5\"><span style=\"font-weight: 400;\">Gelation time (gel time)<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#6\"><span style=\"font-weight: 400;\">Mixture viscosity of epoxy systems<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#7\"><span style=\"font-weight: 400;\">Cure cycle in epoxy systems<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#8\"><span style=\"font-weight: 400;\">Glass transition temperature<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#9\"><span style=\"font-weight: 400;\">Epoxy systems for hand lay-up<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#10\"><span style=\"font-weight: 400;\">Epoxy systems for compression molding<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#11\"><span style=\"font-weight: 400;\">Epoxy systems for RTM<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#12\"><span style=\"font-weight: 400;\">Epoxy systems for vacuum infusion<\/span><\/a>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"2\"><a href=\"#13\"><span style=\"font-weight: 400;\">Araldite\u00ae epoxy systems in the infusion of the Alba skiff<\/span><\/a><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#14\"><span style=\"font-weight: 400;\">Epoxy systems for filament winding<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#15\"><span style=\"font-weight: 400;\">Epoxy systems for pultrusion<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#16\"><span style=\"font-weight: 400;\">Which epoxy system to use for each process<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#17\"><span style=\"font-weight: 400;\">Liquid epoxy systems, prepregs, and adhesives: what are the differences<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#18\"><span style=\"font-weight: 400;\">Applications of epoxy systems in composite materials<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#19\"><span style=\"font-weight: 400;\">How to choose the most suitable epoxy system<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#20\"><span style=\"font-weight: 400;\">Frequently asked questions about epoxy systems<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"#21\"><span style=\"font-weight: 400;\">Mascherpa support in choosing Araldite\u00ae epoxy systems for composites<\/span><\/a><\/li>\n<\/ul>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;1&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>What are epoxy systems for composite materials<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">An <\/span><b>epoxy system<\/b><span style=\"font-weight: 400;\"> used in the production of <\/span><b>composite materials<\/b><span style=\"font-weight: 400;\"> does not coincide with the resin alone.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The formulation can include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>epoxy resin<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>hardener<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">any <\/span><b>accelerator<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The <\/span><b>combination<\/b><span style=\"font-weight: 400;\"> of the different components <\/span><b>determines<\/b><span style=\"font-weight: 400;\"> the <\/span><b>behavior<\/b><span style=\"font-weight: 400;\"> of the system during processing and the characteristics achievable after hardening. This is the reason why <\/span><b>two systems<\/b><span style=\"font-weight: 400;\"> based on the <\/span><b>same resin<\/b><span style=\"font-weight: 400;\"> can be suitable for <\/span><b>different production processes<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;2&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2 class=\"p4\"><strong>Why the same resin can give rise to different epoxy systems<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The example of <\/span><b>Araldite\u00ae LY 1564 resin<\/b><span style=\"font-weight: 400;\"> allows us to concretely understand this principle.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Combined with <\/span><b>XB 3403 hardener<\/b><span style=\"font-weight: 400;\">, the formulation features a <\/span><b>long pot life<\/b><span style=\"font-weight: 400;\"> and <\/span><b>low viscosity<\/b><span style=\"font-weight: 400;\">. Characteristics that make it perfect for processes such as <\/span><b>hand lay-up<\/b><span style=\"font-weight: 400;\"> and <\/span><b>infusion<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the <\/span><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 3486 system<\/b><span style=\"font-weight: 400;\">, the profile changes. The system <\/span><b>maintains<\/b><span style=\"font-weight: 400;\"> a <\/span><b>long pot life<\/b><span style=\"font-weight: 400;\"> and <\/span><b>low viscosity<\/b><span style=\"font-weight: 400;\">, but is <\/span><b>highly recommended for infusion<\/b><span style=\"font-weight: 400;\"> and also recommended for other processes.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">With <\/span><b>ARADUR\u00ae 5003-1<\/b><span style=\"font-weight: 400;\"> changes the behavior again: the system features a <\/span><b>pot life<\/b><span style=\"font-weight: 400;\"> of <\/span><b>42-52<\/b><span style=\"font-weight: 400;\"> minutes, a <\/span><b>gel time<\/b><span style=\"font-weight: 400;\"> of <\/span><b>6-8 minutes<\/b><span style=\"font-weight: 400;\"> and is highly recommended for <\/span><b>molding <\/b><span style=\"font-weight: 400;\">a<\/span><b> molding <\/b><span style=\"font-weight: 400;\">and<\/span><b> RTM<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The starting resin is the same, but the hardener, system characteristics, and processes for which the formulation is most suitable change. It is therefore more correct to speak of <\/span><b>epoxy system selection<\/b><span style=\"font-weight: 400;\"> than simply choosing the resin.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;3&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Which parameters to consider when choosing epoxy systems<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The process represents the first filter, but it is not enough on its own. Two <\/span><b>epoxy systems <\/b><span style=\"font-weight: 400;\">usable in the <\/span><b>same process<\/b><span style=\"font-weight: 400;\"> can in fact present very <\/span><b>different<\/b> <b>characteristics<\/b><span style=\"font-weight: 400;\">. The selection must therefore <\/span><b>relate<\/b><span style=\"font-weight: 400;\"> the <\/span><b>production conditions<\/b><span style=\"font-weight: 400;\"> to the <\/span><b>parameters<\/b><span style=\"font-weight: 400;\"> of the <\/span><b>formulation<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;4&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>Pot life of epoxy systems<\/strong><\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">The <\/span><b>pot life<\/b><span style=\"font-weight: 400;\"> indicates the window during which the <\/span><b>system<\/b> <b>maintains<\/b><span style=\"font-weight: 400;\"> a <\/span><b>workability compatible<\/b><span style=\"font-weight: 400;\"> with the specified conditions. The <\/span><b>duration<\/b><span style=\"font-weight: 400;\"> required <\/span><b>changes<\/b><span style=\"font-weight: 400;\"> depending on the <\/span><b>processing<\/b><span style=\"font-weight: 400;\"> and the <\/span><b>dimensions<\/b><span style=\"font-weight: 400;\"> of the <\/span><b>component<\/b><span style=\"font-weight: 400;\">.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">A small component can be impregnated in relatively short times. On much larger structures, however, the system must remain workable long enough to allow the resin to reach all intended areas before the progress of the reaction interferes with the process. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">This aspect assumes particular importance in <\/span><b>infusion<\/b><span style=\"font-weight: 400;\">, <\/span><b>filament winding<\/b><span style=\"font-weight: 400;\"> processes and in continuous processing.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;5&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>Gelation time (gel time)<\/strong><\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">The <\/span><b>gel time <\/b><span style=\"font-weight: 400;\">describes the <\/span><b>time<\/b><span style=\"font-weight: 400;\"> required, in the <\/span><b>line<\/b><span style=\"font-weight: 400;\"> of <\/span><b>tests<\/b><span style=\"font-weight: 400;\"> indicated, for the <\/span><b>system<\/b> <b>epoxy<\/b><span style=\"font-weight: 400;\"> to reach <\/span><b>gelation<\/b><span style=\"font-weight: 400;\"> e <\/span><b>losing<\/b><span style=\"font-weight: 400;\"> progressively its <\/span><b>ability to flow<\/b><span style=\"font-weight: 400;\">.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">It must not be confused with <\/span><b>pot life<\/b><span style=\"font-weight: 400;\">: the two values describe related but different aspects of the system&#8217;s reactivity. In an <\/span><b>infusion<\/b><span style=\"font-weight: 400;\"> process, for example, the resin must be able to <\/span><b>travel through<\/b><span style=\"font-weight: 400;\"> the <\/span><b>component<\/b><span style=\"font-weight: 400;\"> and <\/span><b>impregnate<\/b><span style=\"font-weight: 400;\"> the <\/span><b>reinforcements<\/b><span style=\"font-weight: 400;\"> before <\/span><b>gelation prevents<\/b><span style=\"font-weight: 400;\"> the completion of the <\/span><b>flow<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;6&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>Mixture viscosity of epoxy systems<\/strong><\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">The <\/span><b>viscosity<\/b><span style=\"font-weight: 400;\"> influences the behavior of the <\/span><b>resin system<\/b><span style=\"font-weight: 400;\"> during <\/span><b>impregnation<\/b><span style=\"font-weight: 400;\">, <\/span><b>injection<\/b><span style=\"font-weight: 400;\"> and <\/span><b>flow<\/b><span style=\"font-weight: 400;\"> through the reinforcements<\/span><span style=\"font-weight: 400;\">.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">In liquid processes, it is therefore an essential parameter, but it must not be evaluated in isolation. A reduced viscosity can favor impregnation, but the formulation must simultaneously offer pot life, reactivity, and a cure cycle compatible with the geometry of the component and the process used. <\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;7&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>Cure cycle in epoxy systems<\/strong><\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">Every <\/span><b>epoxy system<\/b><span style=\"font-weight: 400;\"> provides for certain <\/span><b>line<\/b><span style=\"font-weight: 400;\"> of <\/span><b>polymerization<\/b><span style=\"font-weight: 400;\">. <\/span><b>Temperature<\/b><span style=\"font-weight: 400;\"> e <\/span><b>longevity<\/b><span style=\"font-weight: 400;\"> of the <\/span><b>cycle<\/b><span style=\"font-weight: 400;\"> must be <\/span><b>compatible<\/b><span style=\"font-weight: 400;\"> with the <\/span><b>production process<\/b><span style=\"font-weight: 400;\">, with the <\/span><b>equipment<\/b><span style=\"font-weight: 400;\"> available and with the characteristics to be achieved on the part.<\/span><\/p>\n<p><b>Araldite\u00ae LY 3031 \/ ARADUR\u00ae 3032<\/b><span style=\"font-weight: 400;\">, for example, is a fast-curing system formulated for mass production by <\/span><b>compression molding<\/b><span style=\"font-weight: 400;\">, with a cycle of <\/span><b>30<\/b><span style=\"font-weight: 400;\"> seconds at <\/span><b>140 \u00b0C<\/b><span style=\"font-weight: 400;\">.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;8&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>Glass transition temperature<\/strong><\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">The <\/span><b>Tg, glass transition temperature<\/b><span style=\"font-weight: 400;\">, is one of the parameters used to distinguish systems intended for different thermal requirements.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">Approaching and exceeding the glass transition zone, the <\/span><b>polymeric material<\/b> <b>progressively modifies<\/b><span style=\"font-weight: 400;\"> its <\/span><b>behavior<\/b><span style=\"font-weight: 400;\"> and <\/span><b>loses<\/b><span style=\"font-weight: 400;\"> part of the <\/span><b>rigidity<\/b><span style=\"font-weight: 400;\"> characteristic of the glassy state. The <\/span><b>Tg<\/b><span style=\"font-weight: 400;\"> must therefore be evaluated in<\/span><b> relation<\/b><span style=\"font-weight: 400;\"> to the <\/span><b>expected temperature<\/b><span style=\"font-weight: 400;\"> during the <\/span><b>use<\/b><span style=\"font-weight: 400;\"> of the component, without separating it from the cure cycle necessary to reach it. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Within the <\/span><b>Araldite\u00ae<\/b><span style=\"font-weight: 400;\"> range there are <\/span><b>epoxy systems<\/b><span style=\"font-weight: 400;\"> with very different <\/span><b>Tg<\/b><span style=\"font-weight: 400;\"> values, from formulations in the order of <\/span><b>70-80 \u00b0C<\/b><span style=\"font-weight: 400;\"> up to systems that exceed <\/span><b>200 \u00b0C<\/b><span style=\"font-weight: 400;\">, intended for different application requirements.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;9&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Epoxy systems for hand lay-up<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">In <\/span><b>hand lay-up<\/b><span style=\"font-weight: 400;\"> the resin is <\/span><b>applied<\/b><span style=\"font-weight: 400;\"> and <\/span><b>distributed<\/b><span style=\"font-weight: 400;\"> on the <\/span><b>reinforcements<\/b><span style=\"font-weight: 400;\"> during the <\/span><b>construction<\/b><span style=\"font-weight: 400;\"> of the <\/span><b>laminate<\/b><span style=\"font-weight: 400;\">. The system must allow the operator to correctly complete <\/span><b>impregnation <\/b><span style=\"font-weight: 400;\">and <\/span><b>layering<\/b><span style=\"font-weight: 400;\"> before the progress of the reaction reduces workability.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">For this reason <\/span><a href=\"https:\/\/mascherpa.it\/guida-prodotto\/marchi\/huntsman\/\"><b>Huntsman<\/b><\/a><span style=\"font-weight: 400;\"> includes formulations characterized by extended pot lives. <\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Araldite\u00ae LY 3505 \/ Hardener XB 3403<\/b><span style=\"font-weight: 400;\"> is <\/span><b>h<\/b><span style=\"font-weight: 400;\">ighly recommended for<\/span><b> hand lay-up<\/b><span style=\"font-weight: 400;\"> and is described as a <\/span><b>high latency<\/b> <b>system<\/b><span style=\"font-weight: 400;\">. It features a <\/span><b>pot life<\/b><span style=\"font-weight: 400;\"> of <\/span><b>600-720 minutes<\/b><span style=\"font-weight: 400;\"> and a mixture <\/span><b>viscosity<\/b><span style=\"font-weight: 400;\"> of <\/span><b>300-400 mPa\u00b7s<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Araldite\u00ae LY 1564 \/ Hardener XB 3403<\/b><span style=\"font-weight: 400;\"> is highly recommended for this process and combines a pot life of <\/span><b>870-1050 minutes<\/b><span style=\"font-weight: 400;\"> with a viscosity of <\/span><b>150-230 mPa\u00b7s.<\/b><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">There is therefore no single system for hand lay-up: the choice depends on operating times, component geometry, reinforcements, and required performance.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;39225&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;small_depth&#8221; image_loading=&#8221;default&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;10&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Epoxy systems for compression molding<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">Compression <\/span><b>molding<\/b><span style=\"font-weight: 400;\"> can require very different logics, especially when the <\/span><b>goal<\/b><span style=\"font-weight: 400;\"> is to <\/span><b>increase<\/b> <b>productivity<\/b><span style=\"font-weight: 400;\"> and <\/span><b>reduce<\/b> <b>cycle time<\/b><span style=\"font-weight: 400;\">.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>Araldite\u00ae<\/b><span style=\"font-weight: 400;\"> range includes <\/span><b>epoxy systems<\/b><span style=\"font-weight: 400;\"> formulated specifically for rapid production.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Araldite\u00ae LY 3031 \/ ARADUR\u00ae 3032 <\/b><span style=\"font-weight: 400;\">recommended by Huntsman for <\/span><b>compression molding<\/b><span style=\"font-weight: 400;\"> and is described as a <\/span><b>fast-curing system for mass production<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><a href=\"https:\/\/mascherpa.it\/prodotti\/araldite-ly-3508-aradur-3475\/\"><b>Araldite\u00ae LY 3508 \/ ARADUR\u00ae 3475<\/b><\/a><span style=\"font-weight: 400;\"> instead combines <\/span><b>fast curing<\/b><span style=\"font-weight: 400;\"> and <\/span><b>high toughness<\/b><span style=\"font-weight: 400;\"> and is suitable for the <\/span><b>mass production<\/b><span style=\"font-weight: 400;\"> of composites.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">In these processes the <\/span><b>epoxy system<\/b><span style=\"font-weight: 400;\"> must therefore be evaluated by relating forming time, mold temperature, reaction speed, and final performance.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;39227&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;11&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Epoxy systems for RTM<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<i><span style=\"font-weight: 400;\">In <\/span><\/i><b><i>Resin Transfer Moulding<\/i><\/b><i><span style=\"font-weight: 400;\"> i <\/span><\/i><b><i>, die<\/i><\/b><i><span style=\"font-weight: 400;\"> are <\/span><\/i><b><i>positioned <\/i><\/b><i><span style=\"font-weight: 400;\">in the <\/span><\/i><b><i>mold<\/i><\/b><i><span style=\"font-weight: 400;\"> and <\/span><\/i><b><i>resin<\/i><\/b><i><span style=\"font-weight: 400;\"> is subsequently <\/span><\/i><b><i>transferred<\/i><\/b><i><span style=\"font-weight: 400;\"> inside the <\/span><\/i><b><i>cavity<\/i><\/b><i><span style=\"font-weight: 400;\">. The <\/span><\/i><b><i>ability<\/i><\/b><i><span style=\"font-weight: 400;\"> of the system to <\/span><\/i><b><i>flow<\/i><\/b><i><span style=\"font-weight: 400;\"> through the <\/span><\/i><b><i>preform<\/i><\/b><i><span style=\"font-weight: 400;\"> and <\/span><\/i><b><i>process control<\/i><\/b><i><span style=\"font-weight: 400;\"> of the <\/span><\/i><b><i>reaction<\/i><\/b><i><span style=\"font-weight: 400;\"> during <\/span><\/i><b><i>filling<\/i><\/b><i><span style=\"font-weight: 400;\"> e <\/span><\/i><b><i>hardening<\/i><\/b><i><span style=\"font-weight: 400;\">.<\/span><\/i><\/p>\n<p><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 5003-1<\/b><span style=\"font-weight: 400;\"> is one of the clearest examples: the system is recommended for <\/span><b>RTM and compression molding<\/b><span style=\"font-weight: 400;\">, features a <\/span><b>pot life<\/b><span style=\"font-weight: 400;\"> of <\/span><b>42-52<\/b> <b>minutes<\/b><span style=\"font-weight: 400;\"> and is characterized as <\/span><b>very fast<\/b><span style=\"font-weight: 400;\">. Other systems instead allow working with wider time windows or reaching higher Tg. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">The correct formulation must be chosen considering geometry, thickness, preform structure, pressure, temperature, and time required for complete mold filling.<\/span><\/p>\n<p><em><span style=\"font-weight: 400;\">In the <\/span><a href=\"https:\/\/mascherpa.it\/blog\/resin-transfer-moulding-light-rtm-leggero-guida-completa\/\"><b>RTM Light<\/b><\/a> <span style=\"font-weight: 400;\">process the resin is similarly <\/span><b>transferred<\/b><span style=\"font-weight: 400;\"> inside a <\/span><b>closed mold<\/b><span style=\"font-weight: 400;\">, but with a <\/span><b>vacuum-assisted<\/b><span style=\"font-weight: 400;\"> configuration<\/span><b> <\/b><span style=\"font-weight: 400;\">and <\/span><b>low injection pressure<\/b><span style=\"font-weight: 400;\">. In this case too, correct <\/span><b>flow management<\/b><span style=\"font-weight: 400;\"> is decisive for <\/span><b>impregnating the reinforcements<\/b><span style=\"font-weight: 400;\"> and obtaining the intended laminate.<\/span><\/em>[\/vc_column_text][image_with_animation image_url=&#8221;36191&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;small_depth&#8221; image_loading=&#8221;default&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;12&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Epoxy systems for vacuum infusion<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">In the <\/span><a href=\"https:\/\/mascherpa.it\/blog\/processo-di-infusione-sottovuoto-nei-materiali-compositi-guida-completa\/\"><b>infusion<\/b><\/a><span style=\"font-weight: 400;\"> i <\/span><b>, die<\/b><span style=\"font-weight: 400;\"> are <\/span><b>positioned<\/b><span style=\"font-weight: 400;\"> on the <\/span><b>dry mold<\/b><span style=\"font-weight: 400;\"> and <\/span><b>resin<\/b><span style=\"font-weight: 400;\"> is subsequently <\/span><b>drawn<\/b><span style=\"font-weight: 400;\"> through the <\/span><b>laminate<\/b><span style=\"font-weight: 400;\"> thanks to the <\/span><b>vacuum<\/b><span style=\"font-weight: 400;\"> created by the <\/span><b>vacuum system<\/b><span style=\"font-weight: 400;\">. During this phase the <\/span><b>mixture<\/b><span style=\"font-weight: 400;\"> must remain sufficiently <\/span><b>fluid<\/b><span style=\"font-weight: 400;\"> and<\/span><b> workable<\/b><span style=\"font-weight: 400;\"> to reach the entire surface and impregnate the reinforcements before gelation.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">It is precisely here that the relationship between <\/span><b>viscosity, pot life and gel time<\/b><span style=\"font-weight: 400;\"> becomes particularly evident.<\/span><\/p>\n<p><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 3486<\/b><span style=\"font-weight: 400;\"> is perfect for infusion. The system features a <\/span><b>viscosity<\/b><span style=\"font-weight: 400;\"> of <\/span><b>200-300 mPa\u00b7s<\/b><span style=\"font-weight: 400;\">, a <\/span><b>pot life<\/b><span style=\"font-weight: 400;\"> of <\/span><b>560-620 minutes<\/b><span style=\"font-weight: 400;\"> and a <\/span><b>gel time<\/b><span style=\"font-weight: 400;\"> of <\/span><b>33-43 minutes <\/b><span style=\"font-weight: 400;\">in the respective test conditions.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The sizing of the process window also depends on the part. A small infusion can be completed quickly. On a hull or other large structure, however, the resin front must travel greater distances and the system must remain workable for as long as necessary to complete the impregnation. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">For this reason, selection cannot be based exclusively on the lowest viscosity or the highest Tg.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;13&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3><strong>Araldite\u00ae epoxy systems in the infusion of the Alba skiff<\/strong><\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">A concrete application of epoxy systems in infusion is the <\/span><a href=\"https:\/\/mascherpa.it\/blog\/skiff-alba-le-scelte-sui-materiali-compositi\/\"><b>Alba skiff<\/b><\/a><b> by the <\/b><a href=\"https:\/\/mascherpa.it\/next-partnership\/revel-sailing-team\/\"><b>Revel Sailing Team<\/b><\/a><span style=\"font-weight: 400;\">, made through a vacuum infusion process. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">For the hull lamination, <\/span><b>Araldite\u00ae LY 5052 MBC<\/b><span style=\"font-weight: 400;\"> was used, a low-viscosity Huntsman epoxy resin supplied by Mascherpa, used with Saertex flax and glass reinforcements and a 3D Core in recycled and recyclable PET. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">The formulation was chosen within a project also oriented towards reducing the impact of materials, thanks to the use of ingredients derived from biomass and REDcert\u00b2 certification.<\/span>[\/vc_column_text][nectar_cta btn_style=&#8221;basic&#8221; heading_tag=&#8221;span&#8221; link_type=&#8221;regular&#8221; button_color=&#8221;default&#8221; button_border_thickness=&#8221;0px&#8221; alignment=&#8221;left&#8221; alignment_tablet=&#8221;default&#8221; alignment_phone=&#8221;default&#8221; display=&#8221;block&#8221; display_tablet=&#8221;inherit&#8221; display_phone=&#8221;inherit&#8221; icon_family=&#8221;none&#8221; link_text=&#8221;Learn more about the collaboration&#8221; url=&#8221;https:\/\/mascherpa.it\/next-partnership\/revel-sailing-team\/&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/2&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][nectar_video_lightbox link_style=&#8221;play_button_2&#8243; nectar_play_button_color=&#8221;Default-Accent-Color&#8221; image_url=&#8221;35094&#8243; hover_effect=&#8221;defaut&#8221; box_shadow=&#8221;none&#8221; border_radius=&#8221;10px&#8221; play_button_size=&#8221;default&#8221; video_url=&#8221;https:\/\/www.youtube.com\/watch?v=jtpFu1TwYSU&#8221;][\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/2&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][nectar_video_lightbox link_style=&#8221;play_button_2&#8243; nectar_play_button_color=&#8221;Default-Accent-Color&#8221; image_url=&#8221;35110&#8243; hover_effect=&#8221;defaut&#8221; box_shadow=&#8221;none&#8221; border_radius=&#8221;10px&#8221; play_button_size=&#8221;default&#8221; video_url=&#8221;https:\/\/www.youtube.com\/watch?v=4ukMTqRO-3U&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;14&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Epoxy systems for filament winding<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">In <\/span><a href=\"https:\/\/mascherpa.it\/blog\/processo-filament-winding-il-ruolo-dei-materiali-compositi\/\"><b>filament winding<\/b><\/a><span style=\"font-weight: 400;\"> the fibers are <\/span><b>wound<\/b><span style=\"font-weight: 400;\"> around a <\/span><b>mandrel<\/b><span style=\"font-weight: 400;\"> according to defined angles. In this process the <\/span><b>fibers<\/b><span style=\"font-weight: 400;\"> are <\/span><b>impregnated<\/b><span style=\"font-weight: 400;\"> with the <\/span><b>epoxy system<\/b><span style=\"font-weight: 400;\"> during processing. The behavior of the formulation must therefore <\/span><b>remain stable<\/b><span style=\"font-weight: 400;\"> during <\/span><b>impregnation<\/b><span style=\"font-weight: 400;\"> and <\/span><b>winding<\/b><span style=\"font-weight: 400;\">, to then allow the correct <\/span><b>polymerization<\/b><span style=\"font-weight: 400;\"> of the component.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>Huntsman Araldite\u00ae<\/b><span style=\"font-weight: 400;\"> range includes several <\/span><b>epoxy systems<\/b><span style=\"font-weight: 400;\"> suitable for filament winding.<\/span><\/p>\n<p><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 917-1 \/ Accelerator 960-1<\/b><span style=\"font-weight: 400;\">, for example, is often chosen for the <\/span><b>winding <\/b><span style=\"font-weight: 400;\">process and for <\/span><b>pultrusion<\/b><span style=\"font-weight: 400;\">. Other formulations allow modulating Tg, viscosity, latency, and cure cycle in relation to the component&#8217;s characteristics.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>filament winding<\/b><span style=\"font-weight: 400;\"> is particularly used in the production of <\/span><b>axisymmetric components<\/b><span style=\"font-weight: 400;\"> e <\/span><b>systems<\/b><span style=\"font-weight: 400;\"> extreme conditions <\/span><b>pressure<\/b><span style=\"font-weight: 400;\">, where <\/span><b>orientation<\/b><span style=\"font-weight: 400;\"> of <\/span><b>fibers<\/b><span style=\"font-weight: 400;\">, <\/span><b>reinforcements<\/b><span style=\"font-weight: 400;\"> e <\/span><b>epoxy system<\/b><span style=\"font-weight: 400;\"> must be designed as elements of the same process.<\/span>[\/vc_column_text][nectar_video_lightbox link_style=&#8221;play_button_2&#8243; nectar_play_button_color=&#8221;Default-Accent-Color&#8221; image_url=&#8221;36983&#8243; hover_effect=&#8221;defaut&#8221; box_shadow=&#8221;none&#8221; border_radius=&#8221;10px&#8221; play_button_size=&#8221;default&#8221; video_url=&#8221;https:\/\/www.youtube.com\/watch?v=dgjenZMrUGA&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;15&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Epoxy systems for pultrusion<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<em><span style=\"font-weight: 400;\">The <\/span><a href=\"https:\/\/mascherpa.it\/blog\/processo-pultrusione-dei-compositi-resine-e-rinforzi\/\"><b>pultrusion<\/b><\/a><span style=\"font-weight: 400;\"> is a <\/span><b>continuous process<\/b><span style=\"font-weight: 400;\"> in which <\/span><b>fibers<\/b><span style=\"font-weight: 400;\"> e <\/span><b>other reinforcements<\/b><span style=\"font-weight: 400;\"> are <\/span><b>impregnated <\/b><span style=\"font-weight: 400;\">with the <\/span><b>resin system<\/b><span style=\"font-weight: 400;\"> e <\/span><b>pulled<\/b><span style=\"font-weight: 400;\"> through a <\/span><b>heated die<\/b><span style=\"font-weight: 400;\">. The formulation must remain <\/span><b>workable<\/b><span style=\"font-weight: 400;\"> during <\/span><b>feeding<\/b><span style=\"font-weight: 400;\"> and <\/span><b>impregnation<\/b><span style=\"font-weight: 400;\">, but must also react with a <\/span><b>speed compatible<\/b><span style=\"font-weight: 400;\"> with the <\/span><b>passage<\/b><span style=\"font-weight: 400;\"> inside the <\/span><b>die<\/b><span style=\"font-weight: 400;\">.<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400;\">This makes it particularly important to combine:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>pot life<\/b><span style=\"font-weight: 400;\"> sufficiently long;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>viscosity<\/b><span style=\"font-weight: 400;\"> suitable for impregnation;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>gelation<\/b><span style=\"font-weight: 400;\"> and <\/span><b>reactivity<\/b><span style=\"font-weight: 400;\"> compatible with line speed;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>adequate <\/b><span style=\"font-weight: 400;\">thermal cycle;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tg <\/b><span style=\"font-weight: 400;\">and performance consistent with the component.<\/span><\/li>\n<\/ul>\n<p><b>Araldite\u00ae LY 3585 \/ ARADUR\u00ae 917-1 \/ Accelerator DY 080 <\/b><span style=\"font-weight: 400;\">is recommended<\/span><b> for pultrusion<\/b><span style=\"font-weight: 400;\">. <\/span><b>Huntsman<\/b><span style=\"font-weight: 400;\"> indicates a<\/span><b> pot life<\/b><span style=\"font-weight: 400;\"> of more than <\/span><b>48 hours<\/b><span style=\"font-weight: 400;\"> and a <\/span><b>gel time<\/b><span style=\"font-weight: 400;\"> of <\/span><b>15-20 seconds at 180 \u00b0C<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is an effective example of how a formulation can combine long workability in the initial stages with a much faster reaction when the necessary temperature is reached during the process.<\/span>[\/vc_column_text][image_with_animation image_url=&#8221;39031&#8243; image_size=&#8221;full&#8221; max_width=&#8221;100%&#8221; max_width_mobile=&#8221;default&#8221; animation_type=&#8221;entrance&#8221; animation=&#8221;None&#8221; animation_movement_type=&#8221;transform_y&#8221; hover_animation=&#8221;none&#8221; alignment=&#8221;&#8221; border_radius=&#8221;20px&#8221; box_shadow=&#8221;small_depth&#8221; image_loading=&#8221;default&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;16&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Which epoxy system to use for each process<\/strong><\/h2>\n[\/vc_column_text][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221; class=&#8221;table-scroll&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<table>\n<tbody>\n<tr>\n<td><b>Process<\/b><\/td>\n<td><b>Example of Araldite\u00ae system<\/b><\/td>\n<td><b>Main characteristic<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Hand lay-up<\/b><\/td>\n<td><b>Araldite\u00ae LY 3505 \/ Hardener XB 3403<\/b><\/td>\n<td><span style=\"font-weight: 400;\">High latency system for hand lay-up<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Hand lay-up<\/b><\/td>\n<td><b>Araldite\u00ae LY 3297 \/ ARADUR\u00ae 3298<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Good mechanical properties after curing at 23\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Hand lay-up<\/b><\/td>\n<td><a href=\"https:\/\/mascherpa.it\/prodotti\/araldite-ly-5052-aradur-5052\/\"><b>Araldite\u00ae LY 5052 \/ ARADUR\u00ae 5052<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Very good mechanical properties after curing at 23\u00b0C. Aerospace qualified <\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Compression molding<\/b><\/td>\n<td><b>Araldite\u00ae LY 3031 \/ ARADUR\u00ae 3032<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Fast-curing system for mass production in compression molding<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Compression molding<\/b><\/td>\n<td><a href=\"https:\/\/mascherpa.it\/prodotti\/araldite-ly-3508-aradur-3475\/\"><b>Araldite\u00ae LY 3508 \/ ARADUR\u00ae 3475<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Fast curing and high toughness for mass production<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Compression molding<\/b><\/td>\n<td><b>Araldite\u00ae LY 3585 \/ ARADUR\u00ae 3475<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Fast curing for mass production<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>RTM<\/b><\/td>\n<td><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 5003-1<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Very fast<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>RTM<\/b><\/td>\n<td><b>Araldite\u00ae LY 3508 \/ ARADUR\u00ae 3486<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Very high toughness<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>RTM<\/b><\/td>\n<td><b>Resin XB 3518 \/ ARADUR\u00ae 22962<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Medium Tg, high elongation at break<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Infusion<\/b><\/td>\n<td><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 3486<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Long pot life and low viscosity<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Infusion<\/b><\/td>\n<td><b>Araldite\u00ae LY 1568 \/ ARADUR\u00ae 3489<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Low exothermic behavior<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Infusion<\/b><\/td>\n<td><b>Araldite\u00ae LY 1583 \/ ARADUR\u00ae 3495<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Longer pot life and higher Tg compared to Araldite\u00ae LY 1564 \/ ARADUR\u00ae 3486<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Filament winding<\/b><\/td>\n<td><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 917-1 \/ Accelerator 960-1<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Anhydride hardener, low temperature curing<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Filament winding<\/b><\/td>\n<td><b>Araldite\u00ae LY 3585 \/ ARADUR\u00ae 3486<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Long pot life, medium Tg system<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Filament winding<\/b><\/td>\n<td><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 3474<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Medium pot life, medium viscosity, and high elongation. Suitable for pressure systems <\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Pultrusion<\/b><\/td>\n<td><b>Araldite\u00ae LY 3585 \/ ARADUR\u00ae 917-1 \/ Accelerator DY 080<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Designed for pultrusion with better part quality compared to DY 070 systems and with accelerator 960-1<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Pultrusion<\/b><\/td>\n<td><b>Araldite\u00ae LY 1564 \/ ARADUR\u00ae 917-1 \/ Accelerator 960-1<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Anhydride hardener, low temperature curing<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Pultrusion<\/b><\/td>\n<td><b>Araldite\u00ae LY 1135-1 \/ ARADUR\u00ae 917-1 \/ Accelerator 960-1<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Medium Tg, long pot life anhydride hardener system<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;17&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Liquid epoxy systems, prepregs, and adhesives: what are the differences<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The <\/span><b>epoxy systems<\/b><span style=\"font-weight: 400;\"> used in <\/span><b>composites<\/b><span style=\"font-weight: 400;\"> do not all belong to the same application family.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Huntsman distinguishes between:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>systems<\/b><span style=\"font-weight: 400;\"> formulated for <\/span><b>liquid processes<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>systems<\/b><span style=\"font-weight: 400;\"> formulated for <\/span><b>prepregs<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>epoxy <\/b><span style=\"font-weight: 400;\">binders for <\/span><b>RTM preforms<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>adhesives<\/b><span style=\"font-weight: 400;\"> for <\/span><b>structural assemblies<\/b><span style=\"font-weight: 400;\">;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>adhesives<\/b><span style=\"font-weight: 400;\"> for <\/span><b>assembly<\/b><span style=\"font-weight: 400;\"> and <\/span><b>repairs<\/b><span style=\"font-weight: 400;\">.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This distinction is also important when analyzing processes such as <\/span><a href=\"https:\/\/mascherpa.it\/blog\/processo-di-debulking-membrane-in-silicone-ed-elastomeriche-per-la-compattazione-dei-compositi\/\"><b>debulking<\/b><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Debulking is a compaction phase used especially in the processing of laminates and prepreg materials. In this case, the focus is not therefore the selection of one of the liquid systems described in the previous paragraphs, but the management of compaction and the materials used in the lamination cycle. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Correctly separating these families allows avoiding considering systems developed for different processes and needs as equivalent.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;18&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Applications of epoxy systems in composite materials<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">Epoxy <\/span><b>systems <\/b><span style=\"font-weight: 400;\">for <\/span><b>composite materials<\/b><span style=\"font-weight: 400;\"> are used in various <\/span><b>industrial sectors<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In <\/span><a href=\"https:\/\/mascherpa.it\/guida-prodotto\/industrie\/aerospaziale-e-difesa\/\"><b>aerospace and defense<\/b><\/a><span style=\"font-weight: 400;\">, composites are used when it is necessary to combine weight containment, mechanical performance, and specific production, maintenance, and repair requirements. Within the range, <\/span><b>Araldite\u00ae LY 5052 \/ ARADUR\u00ae 5052<\/b><span style=\"font-weight: 400;\"> is an aerospace qualified system.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In <\/span><a href=\"https:\/\/mascherpa.it\/en\/automotive-5\/\"><b>automotive<\/b><\/a><span style=\"font-weight: 400;\">, the cited applications include pressure systems, leaf springs, bodies, wheels, and battery housings. Here the choice of the system must also be reconciled with productivity and process repeatability. <\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In the <\/span><a href=\"https:\/\/mascherpa.it\/en\/marina-3\/\"><b>marine<\/b><\/a><span style=\"font-weight: 400;\"> sector, composite materials find application from pleasure boats to racing hulls and large vessels, where lightness and mechanical performance must coexist with severe operating conditions.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In <\/span><b>sports<\/b><span style=\"font-weight: 400;\">, weight, strength, flexibility, and fatigue behavior are decisive parameters for applications such as skis, rackets, bows, and bicycles.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">There is therefore no single epoxy system intended for a single market, but formulations to be selected based on the interaction between process, component, and required performance.<\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;19&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>How to choose the most suitable epoxy system<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The correct path starts from the <\/span><b>component<\/b><span style=\"font-weight: 400;\"> and the <\/span><b>process<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">It is first necessary to define how the part will be produced, what processing times are available, what temperatures can be reached, and what characteristics the component must maintain during use.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">At that point it is possible to compare systems through parameters such as:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">compatibility with the process;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">pot life;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">gel time and reactivity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">viscosity;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">cure cycle;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">required Tg;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">mechanical and fracture properties;<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">specific application requirements.<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">The system with the highest value in a single column is not necessarily the most suitable. The formulation must work correctly in the real process considered as a whole. <\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;20&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Frequently asked questions about epoxy systems<\/strong><\/h2>\n[\/vc_column_text][toggles style=&#8221;minimal&#8221;][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;What is meant by an epoxy system?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">An epoxy system is a formulation that can include an epoxy resin, a hardener, and any accelerators. The combination of components determines the behavior during processing and the characteristics obtainable after hardening. <\/span>[\/vc_column_text][\/toggle][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;Can the same resin be used in different epoxy systems?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">Yes. The same resin can be combined with different hardeners to give rise to systems with different viscosity, reactivity, pot life, Tg, and process destinations. Araldite\u00ae LY 1564 represents a clear example within the Huntsman range. <\/span>[\/vc_column_text][\/toggle][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;What is the difference between pot life and gel time?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">Pot life indicates the window during which the system maintains a workability compatible with the specified conditions. Gel time instead measures the time required, in the indicated test conditions, for the system to reach gelation. <\/span>[\/vc_column_text][\/toggle][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;Why is Tg important in choosing an epoxy system?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The glass transition temperature helps evaluate the thermal behavior of the cured material. It must be considered in relation to the expected operating temperature, the cure cycle, and other required performance. <\/span>[\/vc_column_text][\/toggle][toggle color=&#8221;Default&#8221; heading_tag=&#8221;default&#8221; heading_tag_functionality=&#8221;default&#8221; title=&#8221;How do you choose the most suitable Araldite\u00ae epoxy system?&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The selection must start from the production process and consider together component geometry, reinforcements, available times, viscosity, reactivity, polymerization cycle, Tg, and required mechanical properties.<\/span>[\/vc_column_text][\/toggle][\/toggles][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;21&#8243; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h2><strong>Mascherpa support in choosing Araldite\u00ae epoxy systems for composites<\/strong><\/h2>\n[\/vc_column_text][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]<span style=\"font-weight: 400;\">The variety of available formulations allows adapting <\/span><b>epoxy systems<\/b><span style=\"font-weight: 400;\"> to very different processes and requirements, but makes a correct selection phase equally important.<\/span><\/p>\n<p><b>Mascherpa<\/b><span style=\"font-weight: 400;\"> supports companies in identifying the <\/span><b>Araldite\u00ae systems<\/b><span style=\"font-weight: 400;\"> most consistent with the <\/span><b>production process<\/b><span style=\"font-weight: 400;\">, the reinforcements used, the processing conditions, and the properties required of the component.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The goal is not to identify a resin based on a single technical data point, but to build a consistent combination of <\/span><b>epoxy system, production process, and final application<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><a href=\"https:\/\/mascherpa.it\/contatti\/\"><b>Contact us<\/b><\/a><span style=\"font-weight: 400;\"> to evaluate the Araldite\u00ae system best suited to your composite material production process.<\/span>[\/vc_column_text][nectar_btn size=&#8221;large&#8221; open_new_tab=&#8221;true&#8221; button_style=&#8221;regular&#8221; button_color_2=&#8221;Accent-Color&#8221; icon_family=&#8221;none&#8221; text=&#8221;Visit the dedicated page&#8221; url=&#8221;https:\/\/mascherpa.it\/guida-prodotto\/compositi\/sistemi-di-resina-per-compositi\/&#8221;][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/mascherpa.it\/en\/blog\/composite-pultrusion-process-resins-and-reinforcements-2\/\" class=\"excerpt\">[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#f7f7f7&#8243; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;15px&#8221; row_border_radius_applies=&#8221;bg&#8221; row_position_desktop=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; id=&#8221;punti&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;clip-path&#8221; clip_path_animation_type=&#8221;default&#8221; clip_path_animation_applies=&#8221;default&#8221; clip_path_animation_addon=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;padding-3-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; flex_gap_desktop=&#8221;10px&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; 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bg_image_animation=&#8221;none&#8221;&#8230;<\/a><\/p>\n","protected":false},"author":4,"featured_media":39224,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_wpb_vc_js_status":"true","_wpb_shortcodes_custom_css":""},"categories":[3338,3254,3208,6496,3358,3381],"tags":[3499],"class_list":["post-39221","post","type-post","status-publish","format-standard","has-post-thumbnail","category-aerospace-and-defense","category-araldite-en","category-automotive-industry","category-composite-materials","category-marine","category-resin-systems-for-composites","tag-mascherpa-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Epoxy systems for composites: processes and applications<\/title>\n<meta name=\"description\" content=\"Discover how to choose Huntsman Araldite\u00ae epoxy systems based on the composite material manufacturing 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