High-reactivity aliphatic isocyanate-based curing agent with excellent weather resistance and UV stability.
Low viscosity enables easy handling, precise metering, and homogeneous mixing with hydroxyl-functional resins.
Non-yellowing performance ideal for high-gloss, color-critical topcoats in demanding outdoor applications.
Complies with major global VOC regulations, supporting sustainable coating formulation strategies.
Offers balanced pot life and rapid ambient- or forced-dry cure profile for improved production efficiency.
Automotive OEM clearcoats and basecoat/clearcoat systems.
High-performance industrial maintenance coatings for infrastructure and heavy equipment.
Premium architectural coatings requiring long-term gloss retention and chalking resistance.
Aerospace exterior primers and topcoats meeting stringent durability and regulatory requirements.
Wind turbine blade protective coatings exposed to extreme UV, moisture, and thermal cycling.
| Chemical Type | Aliphatic polyisocyanate (hexamethylene diisocyanate trimer, HDI-based) |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| NCO Content (wt%) | 15.5–16.5% |
| Viscosity at 25°C (mPa·s) | 1,800–2,400 |
| Density at 25°C (g/cm³) | 1.18–1.22 |
| Flash Point (Cleveland Open Cup, °C) | 145–155 |
| Solvent | Acetate-based (e.g., butyl acetate, ethyl acetate) |
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