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KN5456F Hydroxy Acrylic Resin is a high-performance, hydroxyl-functional acrylic resin designed for industrial coating applications requiring exceptional hardness, rapid drying, and chemical resistance. It serves as a key binder in two-component polyurethane coatings, offering excellent adhesion to metal, plastic, and wood substrates while maintaining gloss retention and weatherability. Its optimized molecular structure ensures low viscosity for easy formulation and superior crosslinking efficiency with isocyanate hardeners, resulting in durable, abrasion-resistant finishes. This resin is widely adopted in automotive refinishes, industrial maintenance coatings, and high-end furniture finishes where mechanical robustness and fast production throughput are critical. Target industries include mechanical manufacturing, automotive, building materials & infrastructure, and electronics & electrical engineering, where long-term protection and aesthetic consistency are paramount.
1. High hardness (≥2H pencil hardness) ensures excellent scratch and mar resistance in final coatings.
2. Fast-drying property reduces curing time significantly, improving line speed in industrial coating processes.
3. Superior alcohol and solvent resistance makes it ideal for cleaning-resistant surfaces and chemical exposure environments.
4. Excellent compatibility with aliphatic isocyanates enables high-gloss, non-yellowing PU coatings for outdoor use.
Store in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and heat sources; recommended storage temperature: 5–30°C. Shelf life is 12 months from date of manufacture when stored properly. During transport, avoid freezing and physical damage to drums; handle with standard PPE (gloves, goggles). For application, mix thoroughly with appropriate isocyanate hardener (typically NCO:OH ratio 1.0–1.2:1) and allow induction time of 10–15 minutes before use. Avoid contact with water or moisture during handling to prevent premature reaction or gelation.; Storage condition: 25 kg steel drum; Shelf life: 25 kg steel drum; Pack size: 25 kg steel drum
