HMDI Based Curing Agent 

YL-W6906A is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate(HMDI) and isophorone diisocyanate; it is used as curing agent of waterborne two-component polyurethane coating system.   Properties Appearance  Water white or yellowish transparent liquid Isocyanate content /% 12.5±0.5 Non volatile matter /% 65.0±2.0 HDI monomer content /% ≤0.2 viscosity /( cp， 25℃) 50~200 Other data The following are typical features of YL-W6906 and should not be considered as product specifications. Item  Typical data Average equivalent About 336…