Chemical Name: Poly(hexamethylene diisocyanate)
CAS No.: 28182-81-2
Packing: 25kg/drum
Appearance: colorless liquid
Poly(hexamethylene diisocyanate) CAS 28182-81-2
Description
Poly(hexamethylene diisocyanate) Quick Details
Chemical Name: Poly(hexamethylene diisocyanate)
Synonyms: Hexamethylene diisocyanate homopolymer
CAS No.: 28182-81-2
Molecular Formula: C8H12N2O2
Molecular weight: 168.2
Appearance: colorless liquid
Typical Properties
| Item | Specifications |
| Density | 1.12 g/mL at 25 °C |
| Refractive index | n20/D 1.506 |
| Flashpoint | >230 °F |
Poly(hexamethylene diisocyanate) Usage
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Automotive Coatings & Refinishes:
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2K Polyurethane Clearcoats: Serves as the primary crosslinking agent/hardener for OEM automotive topcoats, refinish clearcoats, and plastic component coatings, providing diamond-like hardness, UV stability, and high gloss.
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Industrial & Architectural Coatings:
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Heavy-Duty Anti-Corrosion & Plastics Coatings: For heavy-duty industrial coatings, machinery, aerospace, wind turbine blades, and high-end wooden furniture.
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Adhesives & Elastomers:
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Polyurethane Adhesives Hardener: Added to high-performance PU adhesives and sealants to improve heat resistance, bonding strength, and anti-aging properties.
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Packaging
Packing: 25kg/drum
Storage
Keep container tightly sealed under dry nitrogen blanket in a cool, dry, and well-ventilated dedicated warehouse.
Strictly protect from air humidity and ambient moisture.
Shelf Life: 12 months under recommended original unopened dry storage conditions.