Dongsen Chemicals · Hardener
HDX-100
脂肪族 HDI 三聚体，不黄变；快干、高硬度、高固含/高交联密度。100% 固含。
| 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 | 脂肪族 HDI 三聚体，不黄变；快干、高硬度、高固含/高交联密度。100% 固含。 |
| 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
中粘度天冬树脂，适用于高固含涂料；凝胶较快。面向配方师对标同档中粘度天冬胺树脂的评估牌号。
MonolithDSPA-520
中粘度天冬树脂，适用于手工聚脲与地坪；凝胶较慢。面向配方师对标同档慢固化中粘度天冬树脂的评估牌号。
MonolithDSPA-1720
低粘度反应型稀释剂档天冬胺树脂，适用于高固含双组分涂料——地坪、防腐面漆与工业涂装。面向配方师对标同档低粘度/反应稀释型天冬树脂的评估牌号。粘度、当量与凝胶请以工厂 TDS 为准。
MonolithDSPA-524
中粘度，速度适中，手工聚脲
MonolithDSPA-472
低粘度，凝胶快，喷涂
MonolithDSPA-230
低粘度，凝胶快，喷涂