Polyurethane waterproof coating because of its excellent physical and chemical properties, polyurethane waterproof coating, is now widely used in water engineering. Among the most widely used tar-based polyurethane. But with social development and people's living standards improve, people began to pay more attention to environmental protection and their own health. Coal tar contains a large number of aliphatic and aromatic compounds, Shanxi waterproof coating, with a strong pungent odor, two-component polyurethane waterproof coating, wherein the anthracene, naphthalene and other ingredients harmful to human health. Tar polyurethane environmental pollution has drawn increasing attention. 1997 Beijing Municipal Construction Committee expressed the hope that the company will develop environmentally friendly polyurethane waterproof coating; the end of 1998, has issued a "limit and eliminate tar polyurethane waterproof coating. Beijing Municipal Construction Committee also encourages the development and recommended six kinds of environment-friendly polyurethane waterproof coating; (1) single-component polyurethane waterproof coating; (2) color polyurethane waterproof coating; (3) an inorganic filler polyurethane waterproof coating; (4) water curing polyurethane waterproof coating; (5) petroleum pitch-based polyurethane waterproof coating; (6) petroleum resin-based polyurethane waterproof coating; polyurethane waterproof coating Scope: 1, all kinds of roofing waterproofing works, such as concrete, bamboo, wood, steel, tile roof structure and the like. 2, the underground construction waterproofing works, such as the basement concrete floor, interior and exterior, retaining walls, tunnels, wells and pits. 3, waterproof construction of various buildings, such as the bathroom, kitchen, non-food, swimming pools, flower beds, sluice ground, inside of the walls, construction joints, expansion joints, wall pipe, the water vent. 4, adhesive anti-corrosion: bondable wood, cement, asbestos products; and for pipeline external corrosion, corrosion floor, corrosion pool. Two-component polyurethane waterproof coating, waterproof coating Zhijiang, Weifang City for a long time source is the source of waterproof material Limited. Weifang City for the source of waterproof material Ltd. (www.jiuyuanfangshui.com) strong, credible, Shandong Weifang waterproof, moisture-proof materials industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead long a source of waterproof material into the brilliant and you work for a better future!