type aliphatic polyisocyanate(high functional group hexamethylene diisocyanate trimer) form of supply about90% butyl acetate solution purpose used as a lightfast, fast-drying polyurethane coating curing agent component   specifications features value measurement unit method ncocontent 17.8±0.5 % din en iso 11909method viscosity,23°c about 1600 mpa ·s din en iso 3219/a.3 equivalent about 236 flashpoint about 42 °c din 53213/1 density@20°c about 1.13...