Desmodur® N 3200 is a solvent-free, aliphatic polyisocyanate resin suitable for the formulation of high-solids two-component coating materials for a variety of applications. This product has an equivalent weight of approx. 183, a flash point of approx. 170°C, a color value (hazen) of ≤ 40, and a viscosity at 25°C of approx. 2,100 mPa·s.
Desmodur® N 3200 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 3200 are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection.
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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