Structural adhesive

A structural adhesive modified with a dispersed rubbery or thermoplastic phase that blunts cracks and absorbs fracture energy, improving peel and impact performance without a large sacrifice in strength or temperature resistance. Toughened epoxies and acrylics are standard for bonded joints subject to vibration, impact or peel loading.

A thermosetting resin based on molecules containing epoxide groups, cured by reaction with a hardener such as an amine or anhydride. Valued for strong adhesion, low cure shrinkage, chemical resistance and high mechanical performance, it is widely used in structural adhesives, laminating resins, coatings and composite matrices.

A two-part structural acrylic adhesive based on methyl methacrylate monomer, cured by a free-radical reaction between resin and activator. MMAs bond metals, composites and many plastics with minimal surface preparation and combine high strength with toughness, making them popular for bonding GRP structures and vehicle assemblies.