hdi quick drying covesro n3790 ba   about: aliphatic polyisocyanate (high functional hdi trimer).as the hardener component for lightfast, rapid-drying polyurethane coating systems. product types: hdi pic aliphatic polyisocyanate crosslinkers polyisocyanate hardeners polyisocyanurate isocyanate material: coatings, paints & inks:high functional, weather resistant, solventborne general characterization: aliphatic polyisocyanate (high functional hdi trimer). as the hardener component for...