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

ECR-9250K Epoxy Resin

ECR-9250K is a high-performance epoxy resin from the ECR series by Engraving Chemicals Ltd., offering exceptional thermal stability, low viscosity, and superior adhesion for advanced composites and electronic encapsulation. Its halogen-free formulation ensures RoHS compliance while delivering excellent mechanical strength and chemical resistance across demanding industrial applications.
  • ecr 9250k epoxy resin_79ea165f
  • ecr 9250k epoxy resin_79ea165f

Features Of ECR-9250K Epoxy Resin

  1. Highly reactive bisphenol-F-based epoxy resin with low viscosity for excellent processability.

  2. Superior thermal stability and glass transition temperature (Tg) after curing.

  3. Low chloride content ensuring enhanced electrical insulation and corrosion resistance.

  4. Excellent compatibility with standard amine and anhydride curing agents.

  5. Consistent batch-to-batch performance meeting stringent ISO 9001 manufacturing controls.

Typical Applications Of ECR-9250K Epoxy Resin

  1. Electrical encapsulation and potting of high-voltage transformers and insulators.

  2. Advanced composite matrices for aerospace-grade carbon fiber laminates.

  3. High-performance adhesives in automotive structural bonding applications.

  4. UV-resistant protective coatings for offshore and marine infrastructure.

  5. Dielectric substrates in printed circuit board (PCB) prepreg systems.

Specifications Of ECR-9250K Epoxy Resin

Chemical TypeBisphenol-F epoxy resin
Product FormLiquid
AppearanceClear to pale yellow, transparent liquid
Epoxy Equivalent Weight (EEW)178–186 g/eq
Viscosity at 25°C12,000–16,000 cP
Chloride Content≤ 800 ppm
Softening PointNot applicable (liquid at room temperature)
Storage Stability12 months at ≤ 25°C in sealed containers


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