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

Sanmu SM634R E-42R Bisphenol A Epoxy Resin

Sanmu SM634R E-42R is a high-purity bisphenol A epoxy resin from Sanmu’s SM634R series, offering excellent adhesion, chemical resistance and low viscosity for composites, coatings and electronic encapsulation. It features balanced reactivity, low halogen content and consistent batch-to-batch performance, widely used in high-reliability industrial applications.
  • sanmu sm634r e 42r bisphenol a epoxy resin_6e2dc28d
  • sanmu sm634r e 42r bisphenol a epoxy resin_6e2dc28d

Features Of Sanmu SM634R E-42R Bisphenol A Epoxy Resin

  1. High purity bisphenol A-based epoxy resin with consistent molecular weight distribution.

  2. Excellent thermal stability and low volatile organic compound (VOC) content.

  3. Optimized viscosity for efficient processing in coating, adhesive, and composite applications.

  4. Superior chemical resistance to alkalis, dilute acids, and solvents after curing.

  5. Compatible with standard amine, anhydride, and phenolic hardeners for flexible formulation design.

Typical Applications Of Sanmu SM634R E-42R Bisphenol A Epoxy Resin

  1. High-performance protective coatings for industrial steel structures and marine environments.

  2. Electrical encapsulation and potting compounds for transformers and power electronics.

  3. Structural adhesives in automotive and aerospace composite bonding.

  4. Matrix resin for fiber-reinforced plastics (FRP) used in wind turbine blades and piping.

  5. Printed circuit board (PCB) laminates requiring high glass transition temperature and dimensional stability.

Specifications Of Sanmu SM634R E-42R Bisphenol A Epoxy Resin

Chemical TypeBisphenol A diglycidyl ether epoxy resin
Product FormClear to pale yellow viscous liquid
AppearanceHomogeneous, transparent, free of suspended particles or gel
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)10,000–14,000 mPa·s
Softening PointNot applicable (liquid at room temperature)
Chloride Content≤ 500 ppm
Color (Gardner Scale)≤ 3


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