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

KUKDO SM6690 Epoxy Resin

KUKDO SM6690 is a high-performance bisphenol-A epoxy resin from KUKDO’s SM series, offering excellent mechanical strength, thermal stability and adhesion. Widely used in composites, coatings and electrical encapsulation, it features low viscosity, superior chemical resistance and consistent reactivity with hardeners. Ideal for demanding industrial applications requiring reliability and process efficiency.
  • kukdo sm6690 epoxy resin_77a9b1cf
  • kukdo sm6690 epoxy resin_77a9b1cf

Features Of KUKDO SM6690 Epoxy Resin

  1. High purity bisphenol-A based liquid epoxy resin with consistent molecular weight distribution.

  2. Excellent thermal stability and low volatility, suitable for high-temperature processing environments.

  3. Superior adhesion to metals, glass fibers, and carbon substrates without requiring additional primers.

  4. Low chlorine content (< 750 ppm), minimizing corrosion risk in electronic encapsulation applications.

  5. Optimized viscosity (10,000–12,000 cP at 25°C) for precise dispensing and uniform film formation.

Typical Applications Of KUKDO SM6690 Epoxy Resin

  1. Encapsulation and potting of power electronics and LED modules.

  2. Matrix resin for high-performance carbon fiber reinforced composites in aerospace components.

  3. Electrical insulation coatings for busbars, transformers, and high-voltage connectors.

  4. Structural adhesive formulations requiring elevated Tg and long-term chemical resistance.

  5. Prepreg systems for printed circuit board (PCB) laminates and multilayer interconnects.

Specifications Of KUKDO SM6690 Epoxy Resin

Chemical TypeBisphenol-A epoxy resin
Product FormClear, amber-colored liquid
AppearanceHomogeneous, transparent, free from gel particles or sediment
Epoxy Equivalent Weight (EEW)185–192 g/eq
Viscosity (25°C)10,000–12,000 cP
Chlorine Content≤ 750 ppm
Softening PointNot applicable (liquid at room temperature)
Storage Stability≥ 12 months at ≤ 30°C in sealed original containers


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