Highly aliphatic, hydrogenated MDI-based curing agent offering excellent UV stability and color retention.
Low volatility and reduced monomer content compared to standard aromatic isocyanates, enhancing workplace safety.
Enables formulation of high-performance polyurethane coatings with superior hardness, chemical resistance, and flexibility.
Compatible with a broad range of polyols—including polyester, acrylic, and polycarbonate types—for versatile system design.
Provides extended pot life at ambient temperatures while enabling rapid cure at elevated temperatures (e.g., 80–120 °C).
High-end automotive clearcoats and OEM topcoats requiring exceptional gloss, DOI, and weatherability.
Industrial maintenance coatings for infrastructure, machinery, and rail applications exposed to harsh environments.
Premium wood finishes in furniture and flooring where non-yellowing performance and scratch resistance are critical.
Aerospace interior coatings demanding low VOC, flame retardancy support, and long-term aesthetic stability.
| Chemical Type | Hydrogenated MDI (4,4′-dicyclohexylmethane diisocyanate) trimer |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow, clear liquid |
| NCO Content (wt %) | 15.5 – 16.5 |
| Viscosity at 25 °C (mPa·s) | 1,200 – 2,500 |
| Functionality (avg.) | ~3.0 |
| Storage Stability | ≥12 months at ≤25 °C in sealed containers |
| Primary Applications | Two-component polyurethane coatings (automotive, industrial, wood) |
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E-mail: wangxingqiang@ericwchem.com
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