H12MDI Hydrogenated MDI Hardener
4,4'-Dicyclohexylmethane diisocyanate: a clear, colorless to slightly yellow liquid at room temperature, with excellent light stability and weather resistance.
- Product model:
- HMDI
- Product category:
- Hardeners
Blue packaging drum and model label for H12MDI isocyanate hardener
Key features
- Excellent light stability
- Excellent mechanical performance.
- Low viscosity liquid
Specifications
Technical documents and conditions of use
See the technical documents below for specification sources and conditions. Verify the exact grade and document version before application. Specification sources
See page 22 of the selection handbook for this grade. The handbook is not a standalone grade-specific TDS or SDS. Contact the technical team for the formal specification and safety documentation.
Verify performance and service-life statements against the relevant reports, specimen preparation, test standards and service conditions. Service-life figures without supporting reports are not durability guarantees; site photographs do not replace film-thickness testing or project acceptance records.
| Parameter | Value / unit / conditions |
|---|---|
| NCO content | ≥31.80% |
| Color (Pt-Co) | ≤30 |
| Viscosity at 25°C | ~30 mPa·s (25℃) |
| Purity (A/A) | ≥99.50% |
| Hydrolyzable chlorine, mass fraction | ≤0.0010% |
Features
- HMDI (4,4'-dicyclohexylmethane diisocyanate) is a cycloaliphatic diisocyanate.
- Colorless or slightly yellow, with low viscosity at room temperature
- Characteristic odor
- For producing polyurethanes with good light stability, weather resistance and mechanical properties
Applications
Applications: elastomers, waterborne coatings, polyurethane dispersions and photocurable urethane-modified acrylates
Storage
This product is combustible. Store at or below 40 degrees Celsius in a cool, dry, ventilated place away from ignition sources. Shelf life: one year.
Key notes
These parameters represent typical performance ranges. Follow the product TDS/SDS, batch test report and actual service conditions. Contact us for the relevant documents, samples and application recommendations.
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