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

KUKDO KD-404J Epoxy Resin

KUKDO KD-404J Epoxy Resin is a high-performance liquid bisphenol-A type epoxy resin from KUKDO’s KD series, offering excellent adhesion, chemical resistance and mechanical strength. Widely used in composites, electrical encapsulation and industrial coatings, it features low viscosity, good reactivity with amines/anhydrides, and superior electrical insulation properties for demanding applications.
  • kukdo kd 404j epoxy resin_07131f57
  • kukdo kd 404j epoxy resin_07131f57

Features Of KUKDO KD-404J 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 bubble-free casting.

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

  5. Good adhesion to metals, glass, and composite substrates without mandatory surface priming.

Typical Applications Of KUKDO KD-404J Epoxy Resin

  1. Electrical encapsulation of transformers, reactors, and high-voltage insulators.

  2. Potting and encapsulation of power electronics, PCBs, and LED modules.

  3. Structural bonding in aerospace and automotive composite assemblies.

  4. Manufacturing of filament-wound pressure vessels and FRP tanks.

  5. Base resin for high-performance laminating systems in wind turbine blade fabrication.

Specifications Of KUKDO KD-404J Epoxy Resin

Chemical TypeBisphenol-A based liquid epoxy resin
Product FormClear, amber-colored viscous liquid
AppearanceHomogeneous, transparent, free from gels and suspended particles
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)8,000–12,000 cP
Chlorine Content≤ 700 ppm
Volatiles Content≤ 0.3 wt%
Storage Stability12 months at ≤ 25°C in sealed original packaging


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