It is an environmentally friendly waterproof product that combines rigidity and flexibility. It can be diluted and sprayed on the surface of dry porous inorganic building materials such as bricks, cement, stone, gypsum, lime, enamel paint, asbestos products, perlite, insulation board, etc., to form a colorless, long-lasting waterproof layer; or directly Use the original solution of this product to brush on the building surface to form a highly elastic waterproof coating film for waterproofing; it can also be compounded with ordinary Portland cement to become a JS composite waterproof coating. This product has excellent water resistance, weather resistance and durability; it is non-toxic, tasteless, environmentally friendly and pollution-free. The coating has no joints as a whole and can adapt to the characteristics of minor changes in the base layer. It is widely used in waterproofing projects such as basements, roofs, exterior walls, toilets, pools, dams, culverts, cable trenches, manholes, roads and bridges.