High-reactivity aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) trimer chemistry.
Excellent weather resistance and UV stability, with minimal yellowing upon prolonged exposure.
Low viscosity for easy handling, blending, and solvent-free or low-solvent formulation compatibility.
Good compatibility with common hydroxyl-functional resins including acrylics, polyesters, and polyethers.
Meets stringent VOC regulations due to negligible monomeric HDI content (<0.1%) and no added solvents.
High-performance automotive clearcoats and basecoat/clearcoat systems.
Industrial maintenance coatings for metal and plastic substrates.
Premium architectural coatings requiring long-term gloss retention and color stability.
Plastic coatings for exterior automotive trim and electronic housings.
Two-component (2K) polyurethane adhesives and sealants demanding fast cure and durability.
| Chemical Type | HDI-based aliphatic isocyanurate trimer |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow transparent liquid |
| NCO Content (wt%) | 18.5–19.5% |
| Viscosity at 25°C (mPa·s) | 1,800–2,500 |
| Density at 25°C (g/cm³) | 1.17–1.19 |
| Monomeric HDI Content | <0.1% |
| Flash Point (COC, °C) | >120 |
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