HDI Diourea Attica AL75   ABOUT: Characterization Aliphatic polyisocyanate (HDI biuret). Form supplied approx. 75 % in 1-methoxypropylacetate-2/xylene, 1 : 1 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. Specification：  Property Unit of measurement Value...