... polymer waterproof coating by two components reaction. Component A is a polyurethane prepolymer through the reaction between polyether polyol ... curing agents, thickeners, coagulants and fillers. 2.Where to use: a.Undergrounds, cold stores and grade; b. Bathroom, kitchen and ... , channels, bridges, tunnels and unexposed roofs; 3.Advantages:a. Can be applied on the wet underground substrate with strong ...