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

Huntsman ARALDITE GY 257 Epoxy Resin

Huntsman ARALDITE GY 257 Epoxy Resin is a low-viscosity, bisphenol-A-based liquid epoxy offering excellent mechanical strength, chemical resistance, and electrical insulation. Widely used in composites, adhesives, and encapsulation, it cures with amines or anhydrides. Its consistent reactivity and low volatility support high-performance industrial applications across aerospace, electronics, and wind energy sectors.
  • huntsman araldite gy 257 epoxy resin_d02afd24
  • huntsman araldite gy 257 epoxy resin_d02afd24

Features Of Huntsman ARALDITE GY 257 Epoxy Resin

  1. High-purity bisphenol-A based liquid epoxy resin with low chloride content.

  2. Excellent compatibility with a broad range of curing agents, including amines and anhydrides.

  3. Low viscosity enables easy processing, impregnation, and mixing at ambient temperature.

  4. Superior electrical insulation properties and high dielectric strength.

  5. Good adhesion to metals, glass, and composite substrates after proper cure.

Typical Applications Of Huntsman ARALDITE GY 257 Epoxy Resin

  1. Electrical encapsulation and potting of transformers, reactors, and insulators.

  2. Manufacturing of high-voltage composite insulators and bushings.

  3. Matrix resin for filament-wound pressure vessels and structural composites.

  4. Coating systems for corrosion protection in power transmission infrastructure.

  5. Raw material for specialty laminates used in printed circuit board (PCB) prepregs.

Specifications Of Huntsman ARALDITE GY 257 Epoxy Resin

Chemical TypeBisphenol-A epoxy resin
Product FormLiquid
AppearancePale yellow, clear, transparent liquid
Epoxy Equivalent Weight (EEW)185–192 g/eq
Viscosity at 25°C12,000–16,000 mPa·s
Chloride Content≤ 1,000 ppm
Softening PointNot applicable (liquid at room temperature)
Primary ApplicationsElectrical insulation, composites, encapsulation


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