HDI trimer Vencorex HDT-90B ABOUT: Tolonate™ HDT 90 B is an aliphatic polyisocyanate trimer (HDI homopolymer) supplied at 90% solids in a butyl acetate. It is used for high solids two-component polyurethane coatings and varnishes as well as aromatic solvent-free 2 K polyurethane coatings. This product is also suggested for exterior protective coatings for automotive OEM, car...