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

KUKDO SM-687 Epoxy Resin

KUKDO SM-687 Epoxy Resin is a high-performance bisphenol-A-based liquid epoxy resin from KUKDO’s SM series offering excellent adhesion thermal stability and chemical resistance widely used in composites coatings and electrical encapsulation applications.
  • kukdo sm 687 epoxy resin_821024df
  • kukdo sm 687 epoxy resin_821024df

Features Of KUKDO SM-687 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 cured epoxy substrates without surface priming.

  3. Low viscosity (1,800–2,200 cP at 25°C) enabling easy processing via casting, impregnation, and filament winding.

  4. Superior thermal stability with glass transition temperature (Tg) exceeding 125°C after full cure with DDS.

  5. Low chlorine content (<0.05% w/w), supporting high electrical insulation performance and corrosion resistance.

Typical Applications Of KUKDO SM-687 Epoxy Resin

  1. Electrical encapsulation of high-voltage insulators and power electronics modules.

  2. Structural adhesive formulations for aerospace composite bonding and automotive lightweight assemblies.

  3. Matrix resin for carbon fiber and fiberglass prepregs used in wind turbine blades and sporting goods.

  4. Castable systems for precision tooling, industrial jigs, and dielectric bushings.

  5. Coating and lining applications in chemical process equipment requiring solvent resistance and dimensional stability.

Specifications Of KUKDO SM-687 Epoxy Resin

Chemical TypeBisphenol-F based liquid epoxy resin
Product FormClear, low-viscosity liquid
AppearanceAmber to pale yellow, transparent
Epoxy Equivalent Weight (EEW)185–195 g/eq
Viscosity (25°C)1,800–2,200 cP
Chlorine Content≤0.05 wt%
Volatiles Content≤0.3 wt%
Storage Stability≥12 months at 20–25°C in sealed containers


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