ARALDITE® AW 9102: The ideal two-component epoxy adhesive for bonding sandwich and honeycomb panels

In the world of industrial adhesives, the Araldite® range is a benchmark for many demanding applications. Among this range, Araldite® AW 9102 – the base for ARALDITE® AW 9102/ HW 9102 two-component epoxy adhesive – stands out for its combination of mechanical strength and ease of application.

In this article, we invite you to discover the technical characteristics of this resin and its varied industrial applications, specially designed to meet the needs of the most demanding industrial sectors, such as transport, aerospace, construction and marine.

Technical characteristics of Araldite® AW 9102

Araldite® AW 9102, combined with Araldite® HW 9102 hardener, offers impressive technical properties:

• Room-temperature curing: It can be used without complex heating equipment, making it easy to apply in a wide range of environments.
• Mixing ratio: A ratio of 100:40 by weight or 100:47 by volume ensures easy preparation for professionals.
• Viscosity and pot life: With a viscosity of 8,000 to 20,000 cP at 25°C and a pot life of 80 minutes (for a 100g mass at 25°C), Araldite® AW 9102 offers an excellent compromise between workability and efficiency, enabling complex applications without precipitation.
• Appearance: Once mixed, the adhesive takes on a pale yellow hue.

These technical characteristics, combined with a density of 1.33 g/cm³, make it a stable product, capable of guaranteeing consistent performance even under varied working conditions.

Mechanical properties and strength

Among the epoxy adhesives available on the market, Araldite® AW 9102 stands out for its outstanding mechanical properties:

• Shear strength: 2,900 psi (20 MPa) on aluminum and 3,625 psi (25 MPa) on steel, guaranteeing high joint strength.
• Peel strength: 45 N*mm/mm, ensuring excellent resistance to mechanical stress.
• Glass transition temperature: approx. 52°C, enabling the adhesive to maintain its mechanical properties at moderately high temperatures.
• Tensile strength: 507 psi (3.5 MPa), an essential criterion in high-stress environments.

Avantages de l’Araldite® AW 9102

Araldite® AW 9102 offers numerous benefits, making it an essential choice for professionals seeking reliable solutions:

• Versatility: It bonds a wide range of materials, including metals, honeycomb aluminum, ceramics, stoneware, and most common construction materials. This versatility makes it ideal for various industries, from infrastructure to vehicles.
• Compliance with standards: Certified to EN45545-2: 2013: R1 / HL3, it meets strict fire safety requirements, which is critical for applications in transportation and construction sectors.
• Low shrinkage: During curing, Araldite® AW 9102 exhibits minimal shrinkage, preventing distortions or internal stresses within assemblies. This ensures precise and stable results, essential for applications demanding high accuracy.
• Extended pot life: With its 80-minute pot life, this epoxy adhesive allows stress-free application, even for large-scale projects, without compromising the quality of the final bond.

Applications in various industrial sectors

Thanks to its characteristics, Araldite® AW 9102 is an ideal solution for a wide range of industrial applications:

• Transportation: Used for bonding floors, roofs and partitions, especially for trains and other vehicles requiring fire-resistant structural components.
• Construction: Its use in honeycomb curtain walls and composite panels makes it indispensable for lightweight yet resistant structures.
• Aerospace: It is perfectly suited to bonding structural components subjected to heavy mechanical loads.
• Marine: The water and weather resistance of Araldite® AW 9102 makes it ideal for assembling parts subjected to harsh environments, such as in the marine sector.

Conclusion

For professionals looking for an epoxy adhesive capable of meeting the demands of the most rigorous industrial environments,Araldite® AW 9102 proves to be a first-rate choice. Its unique combination of versatility, mechanical and thermal resistance, and compliance with safety standards make it an essential product for applications in a wide range of sectors. Whether for aerospace, construction or transportation, Araldite® AW 9102 guarantees reliable, long-lasting assemblies to meet the most ambitious technical challenges.