type fat family polyisocyanate(hditrimer) form of supply none solvent purpose in used as a curing agent component in lightfast polyurethane coating systems   product specifications features value measurement unit method ncocontent 21.8 ± 0.3 % din en iso 11909 00 mpa·s din en iso 3219/a.3 equivalent about 193 density,20°c about 1.16 g/ml din en iso 2811 flashpoint about 158...