Desmodur® N 3790 BA is an aliphatic polyisocyanate (high functional HDI trimer) supplied at 90% solids in n-butyl acetate. Used primarily as the hardener component for lightfast two-pack polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The main applications for systems based on Desmodur® N 3790 BA are air and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics.
Covestro´s Coatings, Adhesives and Specialties business unit (BU CAS) manufactures an extensive range of raw materials and services for the Paints and Coatings Industry. The DESMODUR® and DESMOPHEN® lines specialize in coating application on wood, plastics, and vehicles. The IMPRANIL® line of Polyurethane dispersions is used for a wide variety of applications in textile coatings.
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