Shouguang City Shield waterproof material Ltd. waterproof material on the market, there are two categories: First, the polyurethane waterproof coating. Such materials are generally made from polyurethane and coal tar as raw material. Its volatile petroleum coke toxic polyurethane waterproof coating wholesale, not easy to remove, so in 2000 was banned in China. Still selling polyurethane waterproof coating, instead of coal tar pitch is used as a raw material. Waterproof coating means the coating film forming a coating to prevent seepage of rainwater or groundwater. Waterproof paint coatings can be divided into states and forms: emulsion, solvent-based, reactive and modified asphalt. Polyurethane waterproof coating suppliers | Hefei waterproof coatings | Hua shield defense shield provided by Shouguang City, waterproof material Limited. Shouguang City Shield Waterproof Materials Co., Ltd. (www.huadunfangshui.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 the Chinese Shield waterproof material and you hand into the brilliant, for a better future!