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Desmodur® N 3300

Desmodur® N 3300 is a solvent-free, aliphatic polyisocyanate used as the hardener component for lightfast two-pack polyurethane coatings. This product has an NCO content of 21.8 ± 0.3%, a viscosity at 25°C of approx. 2500 mPa·s, and a flash point of approx. 158°C. Desmodur® N 3300 is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3300 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics.

Company

Covestro (formerly Bayer MaterialScience) manufactures adhesive raw materials for use in the production of contact and heat-activated adhesives, as well as reactive and hot-melt adhesives for the transportation, furniture, footwear, packaging, and construction markets. Bayer offers a comprehensive range based on polyurethane and polychloroprene, with specialty raw materials that offer UV light and weather resistance.

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Covestro (formerly Bayer MaterialScience) 科思创

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