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

Solvay BR 680-3 Adhesive

Solvay BR 680-3 is a high-performance structural adhesive in Solvay’s BR series, formulated for aerospace and automotive bonding. It offers excellent toughness, thermal stability up to 177°C, and superior peel strength on composites and metals. Fast-curing, solvent-free, and certified to BMS 5-129, it ensures reliable, lightweight assembly with low volatile organic compound emissions.
  • solvay br 680 3 adhesive_0e11a4f3
  • solvay br 680 3 adhesive_0e11a4f3

Features Of Solvay BR 680-3 Adhesive

  1. High-performance, two-component epoxy adhesive system designed for structural bonding in demanding industrial environments.

  2. Excellent resistance to thermal cycling, humidity, and common aerospace and automotive fluids including fuels and hydraulic oils.

  3. Optimized viscosity for gap-filling applications with controlled flow and minimal sag on vertical surfaces.

  4. Fast room-temperature cure profile with full handling strength achieved within 24 hours; accelerated cure possible at elevated temperatures.

  5. Low volatile organic compound (VOC) content and halogen-free formulation compliant with RoHS and REACH requirements.

Typical Applications Of Solvay BR 680-3 Adhesive

  1. Aerospace component assembly, including honeycomb core bonding and composite-to-metal joining.

  2. Automotive powertrain and chassis subsystems requiring vibration-dampening and load-bearing adhesion.

  3. Railway interior panel bonding where fire, smoke, and toxicity (FST) performance is critical.

  4. Industrial equipment manufacturing involving dissimilar substrates such as aluminum, stainless steel, and carbon fiber reinforced polymer (CFRP).

  5. Electronics enclosures and heat sink attachments requiring electrical insulation and thermal stability.

Specifications Of Solvay BR 680-3 Adhesive

Chemical TypeEpoxy resin-based, two-component structural adhesive
Product FormPaste (Part A) and paste (Part B); supplied in dual-cartridge or separate cans
AppearanceOff-white to light gray, homogeneous pastes (Part A and Part B)
Mix Ratio (by volume)1:1
Working Time (23°C)Approximately 60–90 minutes
Full Cure Time (23°C)7 days for optimal mechanical properties
Primary ApplicationsStructural bonding of metals, composites, and thermoset plastics
Key FeaturesHigh shear strength, low shrinkage, excellent peel resistance


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