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

GEPN431A70 Epoxy Resin

GEPN431A70 Epoxy Resin is a high-performance bisphenol-A-based epoxy resin from the GEPN series by Mitsubishi Chemical. It offers excellent mechanical strength, thermal stability, and electrical insulation. Widely used in laminates, composites, and electronic encapsulation, it delivers consistent reactivity and low viscosity for precise processing.
  • gepn431a70 epoxy resin_bce086a4
  • gepn431a70 epoxy resin_bce086a4

Features Of GEPN431A70 Epoxy Resin

  1. High reactivity with amine and anhydride hardeners for rapid cure at ambient or elevated temperatures.

  2. Excellent chemical resistance to alkalis, dilute acids, and solvents after full curing.

  3. Low viscosity (8,000–12,000 cP at 25°C) enabling easy processing, impregnation, and mixing.

  4. Superior electrical insulation properties with high dielectric strength and volume resistivity.

  5. Good adhesion to metals, composites, and fiberglass substrates without surface priming.

Typical Applications Of GEPN431A70 Epoxy Resin

  1. Electrical encapsulation and potting of transformers, reactors, and power electronics.

  2. Structural bonding in aerospace composite assemblies and wind turbine blade components.

  3. Matrix resin for filament-wound pressure vessels and high-performance FRP tanks.

  4. Coating formulation for corrosion-resistant linings in chemical process equipment.

  5. Raw material for high-gloss, durable industrial flooring systems.

Specifications Of GEPN431A70 Epoxy Resin

Chemical TypeBisphenol-A based liquid epoxy resin
Product FormClear to pale amber viscous liquid
AppearanceHomogeneous, transparent, free from gels or sediment
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)8,000–12,000 cP
Chlorine Content≤ 1,200 ppm
Softening PointNot applicable (liquid at room temperature)
Primary ApplicationsEncapsulation, structural composites, corrosion protection coatings


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