MSDS report 25kg/barrel color: black, green, red, yellow,etc. manufacturer of waterproof coating, good quality,cheapest price DY-SPU Single unit Wet Cure Polyurethane Waterproof CoatingDY-SPU Single unit Wet Cure Polyurethane Waterproof Coating is a polymer waterproof coating which is used isocyanate, polyether as main materials, coupled with accelerator,plasticizer,additive through careful ...