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

Sanmu SM634 E-42 Bisphenol A Epoxy Resin

Sanmu SM634 E-42 is a high-purity Bisphenol A epoxy resin from Sanmu’s SM series, offering excellent adhesion, chemical resistance and thermal stability. Widely used in composites, coatings and electronic encapsulation, it features low viscosity, superior mechanical strength and consistent reactivity for reliable processing and performance.
  • sanmu sm634 e 42 bisphenol a epoxy resin_ca039364
  • sanmu sm634 e 42 bisphenol a epoxy resin_ca039364

Features Of Sanmu SM634 E-42 Bisphenol A Epoxy Resin

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

  2. Optimized for excellent adhesion to metals, composites, and cured polymer substrates.

  3. Low viscosity (12,000–14,000 cP at 25°C) enabling easy processing and improved wetting in formulations.

  4. Superior thermal stability and chemical resistance after curing with standard amine or anhydride hardeners.

  5. Compliant with RoHS and REACH regulations; free of intentional bisphenol F and halogenated solvents.

Typical Applications Of Sanmu SM634 E-42 Bisphenol A Epoxy Resin

  1. Electrical encapsulation and potting compounds for power modules and transformers.

  2. Structural adhesives in automotive and aerospace composite bonding.

  3. High-performance coating systems for corrosion protection of steel infrastructure.

  4. Matrix resin for fiber-reinforced laminates used in wind turbine blades and marine components.

  5. Printed circuit board (PCB) solder mask and dielectric layer formulations.

Specifications Of Sanmu SM634 E-42 Bisphenol A Epoxy Resin

Chemical TypeBisphenol A diglycidyl ether (DGEBA) epoxy resin
Product FormClear to pale yellow viscous liquid
AppearanceTransparent, slightly yellow, homogeneous liquid
Epoxy Equivalent Weight (EEW)470–490 g/eq
Viscosity (25°C)12,000–14,000 cP
Chloride Content≤ 800 ppm
Softening Point12–15°C
Volatiles (150°C, 2 h)≤ 0.3 wt%


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