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

Sanmu SM603R Bisphenol A Epoxy Resin

Sanmu SM603R is a high-purity bisphenol A epoxy resin from Sanmu’s SM600 series, offering excellent adhesion, chemical resistance and thermal stability. Widely used in composites, coatings and electronic encapsulation, it features low viscosity, good reactivity with amines/anhydrides and consistent batch-to-batch performance for demanding industrial applications.
  • sanmu sm603r bisphenol a epoxy resin_d6aaa5ec
  • sanmu sm603r bisphenol a epoxy resin_d6aaa5ec

Features Of Sanmu SM603R Bisphenol A Epoxy Resin

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

  2. Excellent thermal stability and low ionic impurity content for enhanced electrical insulation performance.

  3. Optimized viscosity for improved processability in casting, laminating, and adhesive formulations.

  4. Superior adhesion to metals, glass fibers, and composite substrates.

  5. Compatible with standard amine, anhydride, and phenolic curing agents.

Typical Applications Of Sanmu SM603R Bisphenol A Epoxy Resin

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

  2. High-performance prepregs and laminates in printed circuit board (PCB) manufacturing.

  3. Structural adhesives for aerospace and automotive composite bonding.

  4. Wind turbine blade matrix resins requiring dimensional stability and fatigue resistance.

  5. Protective coatings for corrosion-resistant industrial linings and tank interiors.

Specifications Of Sanmu SM603R Bisphenol A Epoxy Resin

Chemical TypeBisphenol A diglycidyl ether (DGEBA) epoxy resin
Product FormClear to pale yellow viscous liquid
AppearanceHomogeneous, transparent, free of gels or suspended particles
Epoxy Equivalent Weight (EEW)185–192 g/eq
Viscosity at 25°C12,000–16,000 cP
Chloride Content≤ 800 ppm
Volatiles Content≤ 0.3 wt%
Softening Point12–15°C


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