HDI closed Covesro BL 3175 SN   ABOUT: Blocked aliphatic HDI-polyisocyanate. With Desmophen® grades to formulate lightfast one-component polyurethane stoving coatings; as an additive to improve flexibility and adhesion. 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...