Waterproof material

Waterproof material actually has not been a unified definition, waterproof technology constantly update and speed up the diversification of waterproof material, overall to prevent rain water, groundwater, industrial and civil water supply and drainage, corrosive liquids and moisture in the air, steam, etc into the structure of the material basically called waterproof material. Waterproof material mainly has three categories: waterproofing materials, polyurethane waterproofing material, new type of polymer cement waterproof material.