The aerospace industry is constantly evolving, driven by increasing demand for mobility, energy efficiency and attention to climate change. Companies in the industry are looking for innovative solutions that can provide greater competitiveness while improving sustainability and reducing maintenance costs. In this context, advanced aerospace structural adhesives play a key role.
Huntsman solutions for aerospace safety and durability
For more than 70 years, as a global supplier, Huntsman Advanced Materials has developed innovative solutions and high-performance materials for the fabrication, assembly, and repair of aircraft interior and exterior components. Huntsman’s Araldite aerospace structural adhesives are used by aircraft manufacturers serving commercial airlines and general aviation worldwide. Many of the epoxies and polyurethanes are flame retardant and exhibit low flame, smoke and toxicity. These are the characteristics required of aerospace structural adhesives to comply with standards such as FAR 25.853, which regulates materials used in large civil aircraft.
Araldite: advanced adhesives for high standards in the aerospace market
Huntsman’s Araldite is committed to developing innovative solutions for the aerospace market, striving to meet the high product standards set by industry and federal regulations governing the performance properties of materials used in aerospace. Some of the characteristics met by aerospace structural adhesives are:
- Resistance
- Weight
- Tenacity and flexibility
- Low coefficient of thermal expansion
- High resistance to corrosion and fatigue
- Flame retention
- Halogen-free formulations
- Dampening of noise and vibration.
Adhesives for jointing and bonding
Araldite®‘s widely qualified aerospace structural adhesives provide superior joining and bonding solutions for plastics, metals, composites and other substrates.
Epoxy adhesives
Araldite epoxy adhesives are advanced solutions developed to meet the needs of the aerospace and other high-performance industries. Due to their superior mechanical properties, they offer a combination of strength, durability and safety that makes them ideal for critical applications and the assembly of dissimilar materials. As for the aerospace field, they are very useful for their properties:
- Excellent adhesion to metals and thermoset composites
- High strength and high rigidity
- High creep resistance
- High fatigue resistance
- Resistance to high temperatures
- Excellent chemical resistance and long-term durability
Polyurethane adhesives
Araldite polyurethane adhesives are designed for versatility and high performance in a wide range of industrial applications. These adhesives offer excellent elasticity, impact resistance and adaptability on a variety of materials, making them ideal for assemblies that require a combination of flexibility and strength. The main characteristics of these adhesives that make them functional for aerospace applications are:
- Excellent adhesion to most composite and plastic materials
- Good adhesion to metals
- Rigid to flexible mechanical properties
- High fatigue resistance
- Good long-term durability
Bonding: adhesives tailored for strength and stability
Bonding adhesives offer tailored solutions for various industrial needs. For Panel bonding, it is critical to improve the fatigue resistance of joints, ensure durability against weathering, enable assembly of dissimilar materials, maintain stability without sagging, and facilitate blending; in this context, options include Araldite® 1570 FST A/B, Araldite® AW 4859 / HW 4859, Araldite® 2015, Araldite® AV 138M-1 / HV 998. For Component bonding, the needs focus on assembly of dissimilar substrates, sustainable and high-level performance, aesthetic design, and ease of application, for which Araldite® 1570 FST A/B, Araldite® AW 4859 / HW 4859, Araldite® 2011, Araldite® 501 A/B are indicated.
Adhesives for repair operations
Finally, for repair operations, which require high-strength assemblies, room-temperature curing, weather and chemical resistance, and ease of use, recommended solutions include Araldite® 501 A/B and Araldite® 2011.
For specific needs, contact us!
Our Mascherpa experts are available to recommend customized solutions and to give you more information about Huntsman’s Araldite range of aerospace structural adhesives.
