Crelan® NW-5 has a hazen color value of maximum 100, a glass transition tempurature of 48-58, and a non-blocked NCO-content of maximum < 1.5. This product is a blocked cycloaliphatic polyisocyanate that can be used as a hardener for polyurethane powder coatings. Coatings based on Crelan® NW-5 are characterized by their excellent flow properties and high gloss values. Depending on the polyester used, excellent gloss retention and chalking resistance in outdoor weathering can be obtained.
Société
Covestro (formerly Bayer MaterialScience) provides raw materials, such as waterborne adhesives, major high solids coatings, advanced powder coatings, and specialty sealant chemistries. Bayer produces polycarbonates and polycarbonate blends, polyurethanes, and TPU resins, particularly for design and processing parts with TPU resins applications; helping products in a wide variety of applications look better and last longer.
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