Retardant modified polypropylene fibers mainly by the addition of modified and flame retardant finishing process for preparing bitumen membrane English: bituminous waterproof sheet: China said polypropylene, isotactic polypropylene as raw material obtained by spinning fibers , it is the lightest chemical fiber varieties; strength of 35 ~ 62cN / dtex; wear resistance second only polyamide fibers; good corrosion resistance, especially to inorganic acids. Specifications polypropylene polyethylene fiber waterproofing membrane, waterproof Shouguang Tianxiang (online consultation), 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.