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

Kukdo Chemical SM639 Epoxy Resin

Kukdo SM639 is a premium solid bisphenol A epoxy resin in SM series, designed for high-performance industrial protective coatings and general composites. It features excellent adhesion, mechanical strength and chemical resistance, with good processability.

Features Of Kukdo Chemical SM639 Epoxy Resin

  • High adhesion strength - Firmly bonds to various substrates such as metals, glass and wood with excellent cohesion

  • Excellent mechanical properties - High hardness, compressive strength and outstanding dimensional stability after curing

  • Superior corrosion protection - Resistant to acids, alkalis, salts and various solvents with reliable protective performance

  • Wide formula compatibility - Compatible with most curing agents and modifiers, flexible formula adjustment

  • Stable processability - Solid form for easy storage and transportation, good fluidity after melting, easy to process

Typical Applications Of Kukdo Chemical SM639 Epoxy Resin

  • Industrial protective coatings - Long-term anti-corrosion coating for metal surfaces of pipelines, ships and chemical equipment

  • General composites - Matrix resin for glass fiber and carbon fiber reinforced composite manufacturing

  • Structural adhesives - Structural bonding for civil engineering reinforcement and auto parts assembly

  • Floor coatings - Wear-resistant and anti-skid floor materials for factory workshops and airport runways

  • Electronic packaging accessories - Insulation packaging and fixing materials for general electronic components

Specifications Of Kukdo Chemical SM639 Epoxy Resin

AppearanceLight Yellow to Yellow Solid Granule/Flake
TypeBisphenol A Epoxy Resin (Solid)
Epoxy Equivalent (g/eq)450-500
Epoxy Value (eq/kg)2.00-2.22
Softening Point (℃)64-76
Color (Gardner)≤3
Density (20℃, g/cm³)1.16-1.20
Volatile Content (%)≤1.0
Hydrolyzable Chlorine (ppm)≤300
Mechanical Strength (Flexural Strength, MPa)≥110
Dielectric Strength (kV/mm)≥35


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