Molecular formula: [Fe2 (OH) n (SO4) 3-n / 2] m performance indicators: compliance with national standards, "purifying agent PFS" (GB14591-93) Item Index GB14591-93 People's Republic of China (Ⅱ) this product total iron content,% PFS, ≥ 18.5 19.1 reducing substances (as Fe2 +) content% Buy solid powder PFS, ≤ 0.15 0.01 basicity,% 9.0-14.0 14.0 PH (1% solution) 2.0-3.0 2.4 Lead (Pb) content,%, ≤ 0.0015 0.0001 insoluble content,% PFS Gongyi largest manufacturers, ≤ 0.5 0.4 Organic pollution of water environment is a global problem of sewage treatment PFS, its severity, nature With industrial development and hazards are constantly growing and changing. Since the 20th century, the development of the chemical industry to make the type and quantity of organic synthetic growing. According to information, in 1880, people know there are 12,000 kinds of organic matter, in 1910 up to 40 million species, in 1978, rising to 5 million kinds, currently known about more than 700 kinds of organic species, and the number is still a year Thousands of rate increases. Gongyi City Water Material Co., Ltd. Jinhua Yu Tai Branch is a production of water treatment chemicals, filter, activated carbon, packing and insulation materials and other products of professional enterprises. Water Material Co., Ltd. Gongyi Yu-tai is situated at the Zhejiang Jinhua a branch. At present, production of PAC, PFS, polyacrylamide, PAC and other quality coagulant. PFS quality factory direct, Yu-tai water (certified), PFS by Gongyi City Water Material Co., Ltd. Jinhua Yu Tai Branch. Gongyi City Water Material Co., Ltd. Jinhua Yu Tai Branch (yutaijinhua.1688.com) Zhejiang Jinhua, chemical products processing leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Yu-tai leader in water purification with the staff warmly welcome all inquiries negotiations to create water-Thailand a better future.