Waterproofing Materials For Railway And Bridge Raw Materials Used For Construction Railway Track Mat

Railway and bridge used in (high iron special) polyurethane waterproof coating belongs to the double group chemical reaction type waterproof coating, wherein the first group is obtained by polyether polyol and isocyanate condensation of isocyanate terminated prepolymer, group B is by strengthening agent, plasticizer, thickening agent, coagulant composition of the colored liquid. Use would be a, B two groups according to the mixing ratio, brushing in the waterproof base, often temperature curing, forming high strength and high elongation of rubber like elastic coating