Inhibit the production of the early cracks in the mortar, mainly has the following functions: (1) crack resistance, prevent mortar matrix and expand existing defects effectively delay the appearance of cracks. Polypropylene specifications. Coil thickness: 1.5 mm sheet 0.6,0.7,0.8,0.9,1.0,1.2 and weight: 300g, 350g, 400g, 500g, 600g Width: ≥1000㎜ length: 50m, 100m is not only waterproof membrane roofing layer construction according to the design usually waterproof coating layer + Polyester waterproofing membrane;. Which is good PP polypropylene polyester, waterproof Shouguang Tianxiang (certified), polypropylene supplied by Shouguang City Tianxiang waterproof material plant. Shouguang City Tianxiang waterproof material plant (www.txfscl.com) Shandong Weifang, waterproof, moisture-proof material leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Shouguang Tianxiang waterproof leadership with the staff warmly welcome all inquiries negotiations to create Shouguang Tianxiang waterproof better future.