Biuret oligomer of hexamethylene diisocyanate. Polyurethane systems built on it resist yellowing, weathering, oil, solvents and wear, with good elasticity.
Product Code
HDI Biuret
Hexamethylene Diisocyanate Biuret
CAS Number
4035-89-6
EINECS
223-718-8
Description
Synonyms
Key applications
- Polyurethane coatings and paints
- Polyurethane elastomers and adhesives
Characteristics
| Appearance | Colorless transparent liquid |
|---|---|
| Color (Pt-Co) | ≤ 40 |
| Purity | ≥ 99.5% |
| NCO content | 21.7-22.3% |
| Viscosity (23°C) | 8000-12000 mPa.s |
| Monomeric HDI | ≤ 0.1% |
| Molecular formula | C23H38N6O5 |
| Molecular weight | 478.6 |