HDI trimer  WanHua HT-90BS   Application： WANNATE®HT-90BS is an aliphatic polyisocyanate based on hexamethylene diisocyanate(HDI) and dissolved in 10% n-butyl acetate and solvent naphtha 100(1:1),colorless to slightly yellowish clear liquid. Equivalent weight approx. 214 Density at 25℃ approx. 1.13g/ml Flash point approx. 50℃ WANNATE® HT-90BS can be used as the hardener component for lightfast two-component polyurethane coatings with high resistance to...