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

KUKDO SM603R Epoxy Resin

KUKDO SM603R 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. Widely used in composites, electrical encapsulation and structural adhesives, it delivers consistent reactivity and low viscosity for easy processing and superior cured properties.
  • kukdo sm603r epoxy resin_5e070c30
  • kukdo sm603r epoxy resin_5e070c30

Features Of KUKDO SM603R Epoxy Resin

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

  2. Excellent adhesion to metals, composites, and treated plastics without requiring aggressive surface preparation.

  3. Low viscosity (12,000–14,000 cP at 25°C) enabling easy processing, impregnation, and bubble-free casting.

  4. Superior electrical insulation properties with high dielectric strength (>18 kV/mm) and volume resistivity (>1 × 10¹³ Ω·cm).

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

Typical Applications Of KUKDO SM603R Epoxy Resin

  1. Electrical encapsulation and potting of transformers, reactors, and medium-voltage switchgear components.

  2. Structural bonding in wind turbine blade assembly and aerospace composite joints.

  3. High-performance laminating resin for FR-4 and specialty printed circuit board (PCB) substrates.

  4. Casting and molding of high-voltage insulators and bushings for power transmission equipment.

  5. Matrix resin in carbon fiber reinforced polymer (CFRP) tooling and mold-making applications.

Specifications Of KUKDO SM603R Epoxy Resin

Chemical TypeBisphenol-F based liquid epoxy resin
Product FormClear to pale yellow viscous liquid
AppearanceHomogeneous, free from gels or suspended particles
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)12,000–14,000 cP
Chloride Content≤ 500 ppm
Softening PointNot applicable (liquid at room temperature)
Storage Stability12 months at ≤ 25°C in sealed original container


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