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

Solvay BR 623P4 Adhesive

Solvay BR 623P4 Adhesive is a high-performance, solvent-based structural adhesive from Solvay’s BR series, engineered for demanding aerospace and automotive bonding applications. It delivers exceptional peel strength, thermal stability up to 180°C, and excellent resistance to fuels, oils, and humidity. Designed for aluminum, composites, and titanium substrates, it cures at elevated temperatures with low volatile organic compound emissions.
  • solvay br 623p4 adhesive_9720c716
  • solvay br 623p4 adhesive_9720c716

Features Of Solvay BR 623P4 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 industrial chemicals including oils and solvents.

  3. Fast fixture time (≤ 60 minutes at 23 °C) with full cure achieved in 7 days, enabling efficient production throughput.

  4. High shear strength on metals, composites, and thermoset plastics—ideal for load-bearing assemblies.

  5. Low volatile organic compound (VOC) content and solvent-free formulation, supporting EHS-compliant manufacturing operations.

Typical Applications Of Solvay BR 623P4 Adhesive

  1. Aerospace: Bonding of aluminum, titanium, and carbon-fiber-reinforced polymer (CFRP) components in secondary structures.

  2. Automotive: Structural assembly of powertrain housings, battery enclosures, and lightweight chassis subassemblies.

  3. Industrial equipment: Permanent bonding of metal-to-metal and metal-to-composite parts in pumps, valves, and hydraulic systems.

  4. Rail transportation: Joining of interior panels, floor modules, and exterior cladding where vibration damping and fire performance are critical.

  5. Energy: Assembly of wind turbine blade root joints and solar mounting hardware requiring long-term durability under outdoor exposure.

Specifications Of Solvay BR 623P4 Adhesive

Chemical TypeBisphenol-F based epoxy resin system with amine hardener
Product FormTwo-component liquid (Part A: resin; Part B: hardener)
AppearancePart A: amber transparent liquid; Part B: pale yellow liquid
Mix Ratio by Weight100 : 35 (A:B)
Density (23 °C)~1.18 g/cm³ (mixed)
Working Life (23 °C)≥ 120 minutes
Primary ApplicationsStructural bonding of metals, composites, and thermosets
Key FeaturesHigh Tg (~120 °C), low exotherm, excellent peel resistance


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