hdi trimer ht-100 application: wannate® ht-100 is a solvent free aliphatic polyisocyanate based on hexamethylene diisocyanate (hdi), colorless to slightly yellowish clear liquid. equivalent weight approx. 193 density at 25 ℃ approx. 1.16 g/ml flash point approx. 158 ℃ wannate® ht-100 can be used as the hardener component for lightfast two-component polyurethane coatings with high resistance to...