hdi closed  covesro  bl 3575/1   about: blocked aliphatic polyisocyanate based on hdi.in combination with desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings. product types: hdi pic aliphatic polyisocyanate crosslinkers polyisocyanate hardeners polyisocyanurate isocyanate   material: coatings, paints & inks:solventborne, flexible, thermally resistant, elastic general characterization: blocked aliphatic polyisocyanate based on hdi. in combination with...