Dowsil

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The data on this page are to be considered purely indicative and do not constitute a technical data sheet.

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DOWSIL™ 340 Heat Sink Compound
- Not smooth
- Moderate thermal conductivity
- Does not require ovens or curing
- Heat flow away from circuit components can increase reliability
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DOWSIL™ 3522 Cleaning Solvent Concentrated
- Rapid digestion of cured silicone sealant
- Non-halogenated solvent
- Non-flammable
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DOWSIL™ 3525 Adhesive Sealant
- Adhesion to metals and plastics
- Weathering resistance
- UV resistance
- Non-corrosive
- Neutral polymerization
- Not oily
- Ready to use
- Short time of no adherence
- Solvent-free: low shrinkage
- Good mechanical properties: high
- Tear resistance
- Elongation resistance
- Tensile strength
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DOWSIL™ 3810 EG
- One-part dielectric gel
- Transparent
- Hot polymerization
- Low viscosity
- Very soft gel
- Suitable for PCB potting and electronic component protection
- Electrical insulation and environmental protection
- Extended temperature range (-60°C / +200°C)
- No mixing required
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DOWSIL™ 4535
- No exotherm during curing
- Room temperature or heat-accelerated polymerization
- High stability during thermal cycles up to 150°C (peak 175°C)
- Maintains vertical position
- Controlled low silicone volatility
- Soft and elastomeric material after polymerization
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DOWSIL™ 5351
- Non-curing
- High thermal conductivity
- Stable on vertical surfaces
- Gap filling capacity up to 1.0 mm
- Thermally conductive silicone material
- Low thermal resistance and good high-temperature stability
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DOWSIL™ 5515
- Low density
- Room temperature or heat-accelerated polymerization
- Non-sagging, stable even on vertical surfaces
- Soft and deformable material with stress relief function
- Slightly tacky surface after curing
- No exotherm during curing
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DOWSIL™ 5888
- Non-curing
- High thermal conductivity
- Low thermal resistance
- Solvent-free formulation
- Thixotropic - low flowability
- Applicable via screen printing, stencil or dispensing
- Ability to achieve thin thicknesses
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DOWSIL™ 6-1104 Controlled Volatility Sealant
- Not smooth
- Low levels of volatile condensable materials
- High elongation for greater stress reduction
- No mixing required
- Faster inline machining with optional thermal acceleration
- Proven for space applications
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DOWSIL™ 7091 Adhesive Sealant
- One-component adhesive sealant
- Cures at room temperature when exposed to air humidity
- Alkoxyl polymerization system
- Pasty and non-sagging consistency
- Easy to apply
- Cures into a durable and flexible rubber
- Excellent adhesion to many substrates
- Stable and flexible from -40°C (-40°F) to 180°C (356°F)
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DOWSIL™ 7092 High Green Strength Adhesive and Sealant
- Provides instant green force
- Easy-to-use one-component adhesive sealant
- Cures at room temperature when exposed to air humidity
- Excellent adhesion to a wide range of substrates such as glass, metals and plastics
- Pasty and non-sticky consistency
- Cures into a durable and flexible rubber
- Stable and flexible from -50°C to +150°C
- UL 94 HB
- Rapid resistance formation promotes increased productivity due to rapid handling of bonded units
- Saves time because no buffer is needed for increasing resistance
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DOWSIL™ 7093 Adhesive Sealant
- One-component adhesive sealant
- Cures at room temperature when exposed to moisture in the air
- Alkoxy polymerization system
- Pasty consistency, does not bag
- Easy to apply
- Low modulus for high movement capacity
- Good adhesion on many substrates
- Stable and flexible from -50°C (-58°F) to +180°C (+356°F)
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DOWSIL™ 7094 Flowable Sealant
- One-component adhesive sealant
- Cures at room temperature when exposed to air humidity
- Alkoxyl polymerization system
- Fluid and self-leveling
- Easy to apply
- Excellent primerless adhesion to many substrates
- Stable and flexible from -50°C to +180°C
- Non-corrosive to metals
- Low odor
- Primerless adhesion to mixed substrates
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DOWSIL™ 730 FS Solvent Resistant Sealant
- One-component fluorosilicone sealant adhesive.
- It cures at room temperature when
- exposed to moisture in the air
- Acetoxy polymerization system
- Pasty and non-sagging consistency
- Easy to apply
- Cures into a durable and flexible rubber
- Good adhesion to many substrates
- Stable and flexible from -65°C (-85°F) to 260°C (500°F)
- Retains its properties when exposed to fuels, oils and solvents
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DOWSIL™ 732 Multi-Purpose Sealant
- One-component adhesive sealant
- Cures at room temperature when exposed to air humidity
- Acetoxy polymerization system
- Pasty and non-sagging consistency
- Easy to apply
- Cures into a durable and flexible rubber
- Good adhesion to many substrates
- Stable and flexible from -60°C to +180°C (-76°F to +356°F), with short peaks up to +205°C (401°F)
- Black version: stable and flexible from -60°C to +205°C (-76°F to +401°F), with short peaks up to +230°C (446°F)
- Excellent dielectric properties
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DOWSIL™ 734 Flowable Sealant
- One-component adhesive sealant
- Cures at room temperature when exposed to air humidity
- Acetoxy polymerization system
- Fluid and self-leveling
- Easy to apply
- Cures into a durable and flexible rubber
- Rapid no-grip time
- Good adhesion to many substrates
- Stable and flexible from -65°C (-85°F) to +180°C (+356°F)
- Excellent dielectric properties
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DOWSIL™ 736 Heat Resistant Sealant
- It does not sag and drip
- Can be applied overhead or on side walls
- Can be used in applications with continuous exposure at 260°C (500°F) and intermittent exposure at 315°C (600°F)
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DOWSIL™ 738 Electrical Sealant
- Not smooth
- Polymerization at room temperature
- High elongation for greater stress reduction
- No mixing required
- Polymerization at room temperature, no need for ovens
- Faster inline machining with optional thermal acceleration
- Improved reliability through reduced curing stresses
- Automated or manual needle dispensing systems
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DOWSIL™ 739 Plastic Adhesive
- Mellow
- High elongation by stress reduction
- Single-component - No mixing required
- Polymerization at room temperature
- High self-extinguishing
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DOWSIL™ 744 RTV Adhesive Sealant
- Cures at room temperature
- Pasty consistency
- It does not drip
- Easy to apply
- High elongation
- Stable and flexible over a wide temperature range