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.
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
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
| Appearance | Light Yellow to Yellow Solid Granule/Flake |
| Type | Bisphenol 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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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China