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

Solvay BR 4535A Adhesive

Solvay BR 4535A Adhesive is a high-performance, two-component epoxy resin system from Solvay’s BR series, engineered for structural bonding in aerospace and automotive applications. It offers excellent thermal stability, chemical resistance, and high lap-shear strength on composites and metals. Fast room-temperature cure with extended pot life ensures process flexibility and reliable performance under demanding conditions.
  • solvay br 4535a adhesive_24a2e07c
  • solvay br 4535a adhesive_24a2e07c

Features Of Solvay BR 4535A Adhesive

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

  2. Excellent resistance to thermal cycling, humidity, and long-term aging—validated per ASTM D1002 and BSS 7239.

  3. Optimized viscosity and extended working life (≥60 min at 23 °C) for precise dispensing and robust gap-filling capability up to 0.5 mm.

  4. Meets Boeing BAC 5555 and Airbus AIMS05-02-005 requirements for flight-critical secondary bonding applications.

  5. Low halogen content and RoHS-compliant formulation supporting sustainable manufacturing practices.

Typical Applications Of Solvay BR 4535A Adhesive

  1. Aerospace interior bonding: panels, trim, and non-structural composite assemblies.

  2. Industrial transportation: bonding of carbon fiber-reinforced polymer (CFRP) components in rail and high-end automotive systems.

  3. Electronics enclosures: structural attachment of metal-to-composite housings requiring EMI shielding integrity.

  4. Wind energy: bonding of lightning protection systems and secondary structural elements in turbine blades.

  5. Medical device manufacturing: ISO 13485-aligned bonding of stainless steel and thermoplastic components in Class II equipment.

Specifications Of Solvay BR 4535A Adhesive

Chemical TypeEpoxy resin / amine hardener (two-component)
Product FormPaste (Part A) and paste (Part B); supplied in dual-chamber cartridges or bulk pails
AppearancePart A: Off-white; Part B: Pale amber
Mix Ratio (by weight)100 : 35 (A:B)
Cure Schedule (standard)2 hours at 120 °C after 30-min ambient dwell
Primary ApplicationsSecondary structural bonding, composite-to-metal, and composite-to-composite assembly
Key FeaturesHigh Tg (>150 °C), low outgassing (per ASTM E595), no volatile organic compounds (VOC-free)
BenefitsReduced assembly time vs. riveting, improved fatigue performance, and enhanced design freedom


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