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

KUKDO SM634 Epoxy Resin

KUKDO SM634 Epoxy Resin is a high-performance bisphenol-A based liquid epoxy resin from KUKDO’s SM series, offering excellent adhesion, chemical resistance and mechanical strength for composites, coatings and electrical encapsulation applications. It features low viscosity, superior flowability and reliable curing compatibility with common amine or anhydride hardeners.
  • kukdo sm634 epoxy resin_c3bf83e6
  • kukdo sm634 epoxy resin_c3bf83e6

Features Of KUKDO SM634 Epoxy Resin

  1. High reactivity with amine and anhydride curing agents for rapid gelation and short cycle times.

  2. Excellent adhesion to metals, composites, and cured epoxy substrates without surface priming.

  3. Low viscosity (10,000–12,000 cP at 25°C) enabling easy processing via casting, impregnation, and filament winding.

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

  5. Good thermal stability with glass transition temperature (Tg) of 120–125°C after full cure with DDS.

Typical Applications Of KUKDO SM634 Epoxy Resin

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

  2. Matrix resin for filament-wound pressure vessels and composite tanks in industrial gas storage.

  3. Structural adhesive formulation for aerospace secondary bonding and metal-to-composite joining.

  4. Insulating coating for copper windings in electric motors and generators.

  5. Core material in laminated busbars and DC-link capacitors for power electronics modules.

Specifications Of KUKDO SM634 Epoxy Resin

Chemical TypeDiglycidyl ether of bisphenol-F (BPF)
Product FormClear, low-viscosity liquid
AppearanceAmber to pale yellow transparent liquid
Epoxy Equivalent Weight (EEW)178–184 g/eq
Viscosity (25°C)10,000–12,000 mPa·s
Chloride Content≤ 800 ppm
Softening PointNot applicable (liquid at room temperature)
Storage Stability≥ 12 months at <25°C in sealed original container


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