HDI trimer hardener HT500
A low-viscosity, HDI-based polyisocyanate with high NCO content. It is a colorless to slightly yellow transparent liquid at ambient temperature and supports ambient curing.
- Product type:
- HT500
- Product category:
- Hardeners
Core characteristics
- Excellent gloss and color retention
- High NCO content
- Excellent mechanical properties
Specifications
Technical documents and conditions of use
See the technical documents below for specification sources and conditions. Verify the model and document version before application. Specification sources
See page 20 of the handbook for this model. This selection handbook is not an individual model TDS or SDS. Confirm the formal specification and safety documents with the technical team.
Check performance and service-life statements against the applicable reports, specimen preparation, test standards and service conditions. Unverified service-life figures are not durability guarantees; site photos do not replace film-thickness measurements or project acceptance records.
| Parameter | Value / unit / conditions |
|---|---|
| NCO content | 22.5～24.5% |
| Color (Pt-Co) | ≤80 |
| Viscosity at 25°C | 400-1000 mPa·s (25℃) |
| Monomer content | ≤0.50% |
Features
- Excellent light protection.
- NCO high content, swing hardness (K swing) high
- Excellent mechanical performance.
- HDI-type low sticky isocyanate polymers, transparent liquids at constant temperatures from colourless to microyellow
- But constant temperature cured
- Various organic solvents are soluble in acetate, butyate, propadiol acetate, acetone, methazene, diphenylene, S-100
Applications
Application area: Automobile original paints (OEM), auto repair paints, transport paints and plastic paints high solids content systems
Storage
This product is combustible and shall be kept at low temperatures and at a temperature of ≤40℃, which requires storage in a cool, dry and ventilated environment for a period of one year, far from the source of the fire.
Key notes
The above parameters are typical performance ranges, based on products TDS/SDS, batch testing reports and actual performance. Access to corresponding products TDS/SDS, samples and construction proposals.
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