Dongsen Chemicals · Hardener
HDX-100
Non-yellowing aliphatic HDI trimer; fast drying; high hardness and high solid build / high crosslink density. 100% solids.
| Model | HDX-100 |
|---|---|
| Brand | Dongsen Chemicals |
| Chemistry | Aliphatic HDI Trimer |
| NCO % | 22.0 ± 0.5 |
| Free HDI | ≤0.3% |
| Viscosity (25°C) | 3250 ± 750 cps |
| Solid content % | 100 |
| Appearance | Colorless to pale yellow transparent viscous liquid |
| Features | Non-yellowing aliphatic HDI trimer; fast drying; high hardness and high solid build / high crosslink density. 100% solids. |
| NCO range note | 21.5–22.5% |
| Viscosity note | 2500–4000 cps at 25°C |
Floor coatings, automotive OEM & refinish, wood & furniture, industrial PU — suitable pairing direction with Monolith polyaspartic DSPA-series where aliphatic HDI trimer hardeners are used.
ℹ️ Full TDS/MSDS via Dongsen Chemicals. Public specs from dongsenchem.com (verified Oct 2026).
Dongsen product / catalog reference →
Typical applications
Industrial Flooring
Intermediate and topcoat polyaspartic systems for warehouses, workshops and commercial floors.
ApplicationIndustrial Coatings
Fast-curing, high-solids industrial finishes based on polyaspartic resins and Dongsen isocyanate hardeners.
ApplicationHeavy-Duty Anti-Corrosion Topcoat
Aliphatic polyaspartic topcoats for engineering vehicles, wind power, offshore and water parks.
Related grades
DSPA-420
Mid-viscosity polyaspartic resin for high-solids coatings; faster gel window. Evaluation drop-in for formulators comparing mid-range polyaspartic amine resins in the same performance class.
MonolithDSPA-520
Mid-viscosity polyaspartic resin for manual / hand-applied polyurea and flooring; longer gel window. Evaluation grade for formulators comparing slower mid-range polyaspartic resins in the same performance class.
MonolithDSPA-1720
Low-viscosity reactive-diluent class polyaspartic amine resin for high-solids 2K coatings — flooring, anti-corrosion topcoats and industrial finishes. Evaluation grade for formulators comparing low-viscosity / reactive-diluent polyaspartic resins in the same performance class. Confirm viscosity, EW and gel with factory TDS.
MonolithDSPA-524
Medium viscosity, moderate speed, handmade polyurea
MonolithDSPA-472
Low viscosity, fast gel, spraying
MonolithDSPA-230
Low viscosity, fast gel, spraying