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Thermally reversible blocked isocyanate based on hexamethylene diisocyanate (HDI), enabling low-temperature curing without catalysts.
Excellent storage stability at ambient temperature with suppressed premature reaction during formulation and processing.
Delivers high crosslink density and superior mechanical properties, including outstanding hardness, flexibility, and chemical resistance.
Compatible with hydroxyl-functional resins such as polyester, acrylic, and polyether polyols for versatile coating systems.
Low volatility and reduced handling risk compared to unblocked HDI prepolymers, supporting safer industrial operations.
Automotive OEM clearcoats and basecoats requiring high-gloss, chip-resistant finishes.
Industrial maintenance coatings for metal substrates in demanding environments.
Plastic coatings for automotive interior parts and consumer electronics housings.
Wood finishing systems where low-bake conditions and substrate compatibility are critical.
General-purpose two-component polyurethane coatings for architectural and agricultural equipment.
| Chemical Type | Blocked aliphatic isocyanate (HDI-based) |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | Two-component polyurethane coatings, low-bake industrial finishes |
| Key Features | Thermal deblocking, ambient storage stability, catalyst-free cure capability |
| Benefits | Reduced VOC potential, improved pot life, enhanced film toughness and weatherability |
| Recommended Deblocing Temperature | 120–160 °C |
| Shelf Life (unopened, 25 °C) | 12 months |
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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
