HDI trimer hardener HT600
A high-performance hardener for compatible polyurea resins, with a moderate curing rate for a range of application environments.
- Product type:
- HT600
- Product category:
- Hardeners

Core characteristics
- Controllable curing time
- Adhesion
- Good stability
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 21 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 | 22.50-23.50% |
| Color (Pt-Co) | ≤40 |
| Viscosity at 25°C | 900-1500 mPa·s (25℃) |
| Monomer content | ≤0.25% |
Features
- Good elasticity, excellent light protection, excellent solubility.
- HT-600, which can be used as a hardening agent for polyurethane coatings with high chemistry and weather maintenance, good light retention and excellent mechanical performance
- The preferred co-reactive is polypropylene acid or polyester polyol
Applications
Application areas: including vehicle refurbishment, transport, industrial processing and plastics
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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