Kukdo SMB-400 is a premium medium-molecular-weight brominated epoxy resin in SMB series, designed for high-performance flame-retardant coatings and copper-clad board substrates. It features intrinsic flame retardancy, good melt fluidity and adhesion, suitable for industrial applications requiring balanced flame retardancy and processability.
Intrinsic high-efficiency flame retardancy - Chemically grafted bromine, long-lasting and stable flame retardant effect without additional agents
Medium-molecular-weight processability - Excellent melt fluidity, suitable for melt coating and molding processes
Excellent adhesion & protection - Firm bonding to metals and glass fibers, providing both anti-corrosion and flame-retardant protection
Good thermal stability - High thermal decomposition temperature, stable performance during long-term service without easy aging
Wide curing agent compatibility - Compatible with various curing agents such as aliphatic amines and aromatic amines, flexible formula adjustment
High-performance flame-retardant coatings - Flame-retardant and anti-corrosion coating for industrial plants, building steel structures and electrical equipment enclosures
Copper-clad board substrates - Core resin substrate for medium and high-end copper-clad boards to improve flame-retardant grade and electrical performance
Flame-retardant composites - Matrix resin for glass fiber reinforced flame-retardant composites, suitable for rail transit and auto parts
Flame-retardant adhesives - Structural bonding in electronics industry with both adhesion strength and flame-retardant function
Powder coating resins - Core component of flame-retardant powder coatings for long-term protection of metal components
| Appearance | Colorless to Light Yellow Transparent Flake Solid |
| Type | Brominated Epoxy Resin (Brominated Bisphenol A Type) |
| Bromine Content (%) | 46-50 |
| Epoxy Equivalent (g/eq) | 380-420 |
| Epoxy Value (eq/kg) | 2.38-2.63 |
| Softening Point (℃) | 64-74 |
| Color (Gardner) | ≤0.5 |
| Density (20℃, g/cm³) | 1.84 |
| Flame Retardant Rating (UL94) | V-0 |
| Volatile Content (%) | ≤1.0 |
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E-mail: wangxingqiang@ericwchem.com
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