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High hydrolytic stability due to sterically hindered isocyanate groups.
Low volatility and reduced vapor pressure compared to aliphatic alternatives like HDI trimer.
Excellent UV resistance and color retention in demanding outdoor coatings.
Enables formulation of high-performance, solvent-free or low-VOC polyurethane systems.
Consistent reactivity profile supporting predictable gel times and pot life control.
Aerospace-grade topcoats and primers requiring long-term gloss and weatherability.
Automotive clearcoats and OEM refinish systems demanding exceptional clarity and durability.
High-end industrial maintenance coatings for offshore, wind turbine, and infrastructure assets.
Optical-grade adhesives and encapsulants where yellowing resistance is critical.
Advanced 3D printing resins requiring precise cure kinetics and thermal stability.
| Chemical Type | Aliphatic diisocyanate (Isophorone diisocyanate-based oligomer) |
| Product Form | Liquid |
| Appearance | Colorless to pale yellow transparent liquid |
| NCO Content (wt %) | 17.5–18.5% |
| Viscosity at 25°C (mPa·s) | 800–1,200 |
| Density at 20°C (g/cm³) | 1.14–1.18 |
| Flash Point (°C, closed cup) | 165–175 |
| Storage Stability | ≥12 months at <25°C in sealed, dry conditions |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
