Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay BR 680 Adhesive

Solvay BR 680 Adhesive is a high-performance structural epoxy adhesive from Solvay’s BR series, engineered for demanding aerospace and automotive bonding applications. It offers excellent peel strength, thermal stability up to 180°C, low outgassing, and outstanding adhesion to composites, metals, and thermosets—ideal for lightweight, safety-critical assemblies requiring long-term reliability and FAA/EN4617 compliance.
  • solvay br 680 adhesive_785da416
  • solvay br 680 adhesive_785da416

Features Of Solvay BR 680 Adhesive

  1. High-performance two-component epoxy adhesive system offering excellent thermal and chemical resistance.

  2. Superior adhesion to challenging substrates including composites, metals, and thermoset plastics.

  3. Low viscosity formulation enables precise dispensing and optimal gap-filling capability.

  4. Extended working time (pot life) at ambient temperature supports complex assembly processes.

  5. Cured bond maintains structural integrity across a wide service temperature range (–55 °C to +180 °C).

Typical Applications Of Solvay BR 680 Adhesive

  1. Aerospace component bonding, including interior panels and secondary structural assemblies.

  2. Electronics encapsulation and potting of high-reliability avionics modules.

  3. Automotive powertrain and EV battery module assembly requiring vibration resistance.

  4. Industrial machinery bonding where exposure to oils, solvents, and elevated temperatures occurs.

  5. Wind turbine blade root and shear web bonding in composite manufacturing.

Specifications Of Solvay BR 680 Adhesive

Chemical TypeBisphenol-F based epoxy resin system with amine hardener
Product FormTwo-component liquid (Part A: resin, Part B: hardener)
Appearance (Uncured)Part A: pale amber transparent liquid; Part B: light yellow transparent liquid
Mix Ratio (by weight)100 : 35 (A:B)
Density (25 °C)~1.15 g/cm³ (mixed)
Viscosity (25 °C, mixed)~8,500 mPa·s
Pot Life (25 °C, 100g batch)~90 minutes
Cure Schedule (typical)24 hours at 25 °C, or 4 hours at 80 °C


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