Kukdo EX-23-80 is a premium solvent-based brominated epoxy resin in EX series, designed for high-performance flame-retardant electronic materials and heavy anti-corrosion coatings. It features 80% solid content, intrinsic flame retardancy, excellent adhesion and good processability.
Intrinsic high-efficiency flame retardancy - Chemically grafted bromine, long-lasting stable effect, UL94 V-0 flame retardant grade
High solid content & low viscosity - 80% high solid content formula, balancing film fullness and processability
Excellent substrate wetting - Good wettability on metals, glass fibers and PCB substrates, firm bonding
Good mechanical properties - Balanced toughness and hardness after curing, outstanding impact and crack resistance
Wide system compatibility - Good compatibility with most amine curing agents, flexible formula adjustment
Electronic component encapsulation - Flame-retardant encapsulation and insulation protection for semiconductors and ICs
Printed Circuit Board (PCB) - Suitable for PCB substrate manufacturing and solder mask, enhancing flame retardancy
Heavy anti-corrosion coatings - Long-term flame-retardant protective coatings for chemical equipment and offshore platforms
Flame-retardant composites - Matrix resin for glass fiber reinforced flame-retardant composites, suitable for rail transit
Electronic adhesives - Structural bonding in electronics industry with both adhesion and flame-retardant functions
| Solid Content (%) | 80±2 |
| Bromine Content (%) | 45-49 |
| Epoxy Equivalent (g/eq) | 515-545 |
| Epoxy Value (eq/kg) | 1.84-1.94 |
| Viscosity (25℃, mPa·s) | 14000-25000 |
| Solvent Type | Acetone |
| Color (Gardner) | ≤2 |
| Density (20℃, g/cm³) | 1.15-1.20 |
| Flame Retardant Rating (UL94) | V-0 |
| Molecular Weight Range | 858-901 |
| Volume Resistivity (Ω·cm) | ≥1×10¹⁴ |
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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