Low viscosity for excellent processability and easy handling in coating and adhesive formulations.
Enhanced chemical resistance and weatherability due to the stable biuret structure of hexamethylene diisocyanate (HDI).
Good compatibility with common polyols and resins used in two-component polyurethane systems.
Reduced volatility compared to monomeric HDI, contributing to improved workplace safety and lower VOC emissions.
Consistent reactivity profile enabling reliable pot life control and predictable film formation.
High-performance automotive clearcoats and basecoats.
Industrial maintenance coatings for metal and concrete substrates.
Architectural facade coatings requiring UV stability and gloss retention.
Flexible and rigid polyurethane adhesives for composite bonding.
Electronics encapsulation and protective conformal coatings.
| Chemical Type | HDI-based biuret oligomer |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| NCO Content (wt%) | 18.5–19.5% |
| Viscosity (25°C, mPa·s) | 1,200–1,800 |
| Density (20°C, g/cm³) | 1.16–1.19 |
| Flash Point (PMCC, °C) | 145–155 |
| Storage Stability | ≥12 months at 25°C in sealed container |
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