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

Sanmu E-20R Bisphenol A Epoxy Resin

Sanmu E-20R is a high-purity bisphenol A epoxy resin from Sanmu’s E-series, offering excellent adhesion, chemical resistance, and low viscosity for composites, coatings, and electronic encapsulation. It features superior thermal stability, consistent reactivity, and low chloride content, ensuring reliable performance in demanding industrial applications.
  • sanmu e 20r bisphenol a epoxy resin_50f3de0e
  • sanmu e 20r bisphenol a epoxy resin_50f3de0e

Features Of Sanmu E-20R Bisphenol A Epoxy Resin

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

  2. Excellent thermal stability and low volatility for safe handling and processing.

  3. Superior adhesion to metals, glass, and composite substrates.

  4. Low viscosity at elevated temperatures, enabling easy impregnation and coating application.

  5. Compatible with standard amine and anhydride curing agents for versatile formulation design.

Typical Applications Of Sanmu E-20R Bisphenol A Epoxy Resin

  1. Electrical insulation systems for dry-type transformers and reactors.

  2. Structural adhesives in aerospace and automotive composite bonding.

  3. Prepregs and laminates for high-performance printed circuit boards (PCBs).

  4. Encapsulation and potting compounds for power electronics and LED modules.

  5. Wind turbine blade matrix resins requiring enhanced mechanical integrity and fatigue resistance.

Specifications Of Sanmu E-20R Bisphenol A Epoxy Resin

Chemical TypeBisphenol A diglycidyl ether (DGEBA) epoxy resin
Product FormAmber to light yellow viscous liquid
AppearanceClear, homogeneous liquid without sediment or haze
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)12,000–16,000 mPa·s
Chloride Content≤ 800 ppm
Softening Point12–16°C
Volatiles Content≤ 0.3 wt%


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