HDI closed  Covesro BL 3370   ABOUT: Blocked aliphatic HDI-polyisocyanate. To formulate lightfast one-component stoving polyurethane coatings with high themal yellowing resistance; 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: Desmodur BL 3370...