Kukdo KD-404J is an ultra-low viscosity fast-cure solid bisphenol A epoxy resin in KD series, designed for high-performance powder coating systems of precision components. It is white bead-like solid with ultra-low melt viscosity, uniform thin coating, high film flatness, excellent chemical resistance, strong substrate adhesion, ideal for precision industrial coating.
Ultra-low melt viscosity - Melt viscosity ≤20mPa·s, enabling precision thin coating below 50μm with uniform and non-sagging film
Fast curing & high efficiency - Curing cycle shortened by 30%, improving production efficiency of precision component coating
High flatness film formation - Film surface roughness ≤0.8μm, combining decoration and protection performance
Strong substrate adhesion - 0-grade adhesion to precision metal substrates, firm bonding without peeling
Wide additive compatibility - Good adaptability with curing agents, leveling agents, flexible formula adjustment
Precision electronic accessories - Protective coating of connectors, sensors and other electronic precision components
Medical device accessories - High-performance protective coating of medical metal precision components
Aerospace precision parts - Thin-coating protection of small aerospace precision metal parts
Precision mold coating - Chemical corrosion resistant protective coating of small precision molds
High-end hardware ornaments - High-flatness decorative protective coating of high-end hardware ornaments
| Chemical Category | Bisphenol A Epoxy Resin |
| Epoxy Equivalent (g/mol) | 215-245 |
| Softening Point (℃) | 70-80 |
| Melt Viscosity (150℃, mPa·s) | ≤20 |
| Gel Time (180℃, sec) | 30-50 |
| Volatile Content (%) | ≤0.2 |
| Film Roughness (μm) | ≤0.8 |
| Impact Resistance (kg·cm) | ≥50 |
| Adhesion (Grade) | 0 |
| Curing Temperature (℃) | 160-180 |
| Curing Time (min) | 8-12 |
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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