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Structural Adhesives

Structural adhesive is used to bond materials together with as much strength as the surrounding structure. — The steel coupon warps & fails while the adhesive bond remains unaffected.

STRUCTURAL ADHESIVES WITH HIGH-STRENGTH BONDING FOR ENHANCED DURABILITY

Structural adhesives are critical for bonding materials with the strength and integrity needed to support load-bearing joints in various applications. Unlike traditional methods like welding and riveting, structural adhesive for metal and other materials provide a seamless, durable bond that maintains the structural integrity of the product. For example, the adhesive bond remains intact even when the surrounding materials fail, such as in the case of steel coupons that warp or fail under stress.

Superior Strength with Hernon’s Structural Adhesives

Hernon’s structural adhesives offer superior bonding strength and strong impact resistance, making them ideal for critical load-bearing joints. These adhesives are increasingly popular in industries seeking alternatives to traditional fastening methods like welding, rivets, and bolts. Structural bonding with Hernon’s products also offers several advantages, including reduced weight, lower costs, and faster assembly times compared to traditional methods. As highlighted in Assembly Magazine, Hernon’s structural adhesive solutions can even replace welding and rivets in many applications.

Advantages of Structural Adhesives:

Reduced cost per application compared to traditional fasteners
Water and chemical resistance for lasting performance
Diffuses stress across the entire bonded surface for enhanced durability
Fills imperfections and gaps while bonding, ensuring a perfect fit
Bonds dissimilar materials, providing versatility in applications
Seals and bonds at the same time, streamlining the process
Protects against galvanic corrosion, increasing longevity
Sand-able and paint-able when cured for a seamless finish
100% Active – No solvents, providing a cleaner and safer bond
Replaces heavy metal fasteners with lightweight polymers for more efficient designs
Easy application: Apply across the entire bonding surface in one motion

Whether you're bonding metal, plastics, or composite materials, Hernon’s structural adhesives offer a reliable solution for high-strength bonding that enhances product performance and reduces manufacturing time. Contact us today to learn more about how any of Hernon’s families of structural adhesives can transform your production process.

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Fusionbond® 371

Fusionbond® 371 is a two components methacrylate adhesive. It is specially formulated for structural bonding of thermoplastics, metal, wood and composite assemblies. Fusionbond® 371 is an excellent choice for composite bonding applications in the marine, automotive and construction industries because it requires virtually no surface preparation. Fusionbond® 371 provides toughness at temperatures from -67 to 250°F.

Fusionbond® 375

Fusionbond® 375 is Hernon’s leading structural acrylic adhesive engineered for bonding metals, composites, and dissimilar substrates. Known for fast curing and excellent impact resistance, this metal bonding adhesive replaces welding and mechanical fastening for lightweight, durable assemblies. The high-performance formula creates a rigid, high-strength bond capable of withstanding vibration, temperature extremes, and mechanical shock. Ideal for applications requiring both strength and sound dampening.

Fusionbond® 370

Fusionbond® 370 is a high strength structural adhesive designed for industrial applications requiring superior bond integrity. This industrial bonding adhesive cures rapidly at room temperature, forming durable bonds between metals, composites, and plastics. Engineered for high shear and peel strength, Fusionbond 370 replaces rivets and welds in many manufacturing applications, helping reduce assembly time and improve part aesthetics.

Fusionbond® 374

Fusionbond® 374 is Hernon’s toughened structural adhesive developed to deliver high impact and peel strength while bonding metal, composite, and plastic materials. This impact resistant adhesive offers improved durability and flexibility, making it suitable for demanding industrial environments. Its advanced formulation absorbs shock and vibration while maintaining exceptional shear strength. Fusionbond 374 cures quickly, forming tough, resilient bonds that resist fatigue and thermal cycling.

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