TPO waterproof rolls of material are introducted hot plasticity polyolefin (TPO) waterproof rolls as base of material one regard ethylene- propylene rubber and polypropylene resin material, adopt to get the waterproof material of hot rubber and plastic elasticity of advanced made of technology and specific prescription , it is kind of new material saling in U.S.A. and Europe in recent years, it does not include the plasticizer in the batching , and it is not fragily because of exist plasticizer moved .. Easy to process, can weld, installation convenient, entirly recycle, it is new-type green environmental protection waterproof material.