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

Sanmu SM604 Bisphenol A Epoxy Resin

Sanmu SM604 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 curing performance.
  • sanmu sm604 bisphenol a epoxy resin_23695a8b
  • sanmu sm604 bisphenol a epoxy resin_23695a8b

Features Of Sanmu SM604 Bisphenol A Epoxy Resin

  1. High epoxy equivalent weight (EEW) of 480–520 g/eq, enabling precise stoichiometric control in curing formulations.

  2. Excellent thermal stability with glass transition temperature (Tg) up to 125 °C after full cure with standard diamine hardeners.

  3. Low viscosity (12,000–16,000 cP at 25 °C), facilitating easy processing, degassing, and impregnation in composite manufacturing.

  4. Superior chemical resistance to alkalis, dilute acids, and organic solvents post-cure.

  5. Consistent batch-to-batch reproducibility meeting ISO 9001-certified production standards.

Typical Applications Of Sanmu SM604 Bisphenol A Epoxy Resin

  1. Structural adhesives for aerospace and automotive bonding applications.

  2. Matrix resin for carbon fiber and fiberglass reinforced composites.

  3. Electrical encapsulation and potting compounds for high-voltage insulators and PCB components.

  4. Coatings for corrosion-resistant linings in chemical storage tanks and piping systems.

  5. Wind turbine blade structural bonding and shear web infusion resins.

Specifications Of Sanmu SM604 Bisphenol A Epoxy Resin

Chemical TypeBisphenol A-based liquid epoxy resin
Product FormClear, amber to light yellow viscous liquid
AppearanceHomogeneous, free from gel particles or sediment
Epoxy Equivalent Weight (EEW)480–520 g/eq
Viscosity (25 °C)12,000–16,000 cP
Chlorine Content≤ 800 ppm
Volatiles Content≤ 0.3 wt%
Storage Stability12 months at ≤ 25 °C in sealed original container


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