Yw-101 spray pure polyurea is a new solvent-free, pollution-free, environment friendly two-component waterproof coating. Component a is a quasi-prepolymer obtained from the reaction product of hydroxyl-terminated compound and isocyanate; component b is the mixture made up of amino-terminated polyether, amino-terminated chain extender, filler and additives. It features quick curing, suitable for corrosion-proof and seepage-proof works in sewage treatment plants and power plants, and waterproof for high-speed rails, subways, tunnels, culverts and other projects A:220kg/barrel b: 200kg/barrel