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Highly reactive aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) trimer.
Excellent weather resistance and UV stability — ideal for outdoor applications requiring long-term gloss and color retention.
Low volatility and low free HDI monomer content (< 0.5%), supporting safer handling and compliance with stringent occupational health standards.
Good compatibility with a wide range of hydroxyl-functional resins including polyesters, acrylics, and polyethers.
Enables formulation of high-performance, two-component (2K) polyurethane coatings with outstanding mechanical properties and chemical resistance.
Automotive clearcoats and basecoats requiring exceptional durability and optical clarity.
Industrial maintenance coatings for machinery, agricultural equipment, and rail vehicles.
Architectural façade and cladding coatings exposed to harsh environmental conditions.
Plastic coatings for automotive interior trim and consumer electronics housings.
| Chemical Type | Aliphatic HDI-based polyisocyanate (trimer) |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow, transparent liquid |
| NCO Content (wt %) | Approx. 21.5–22.5% |
| Viscosity at 25 °C (mPa·s) | Approx. 1,000–1,400 |
| Density at 20 °C (g/cm³) | Approx. 1.21–1.23 |
| Free HDI Monomer (wt %) | < 0.5% |
| Storage Stability | Stable under dry, cool conditions (≤ 25 °C); protect from moisture |
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