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,%, ≥ 18.5 19.1 reducing substances (as Fe2 +) content%, ≤ 0.15 0.01 basicity,% 9.0-14.0 14.0 PH (1% solution) 2.0-3.0 2.4 Lead (Pb) content,% aggregation Where there ferric sulfate, ≤ 0.0015 0.0001 insoluble content,%, ≤ 0.5 0.4 Yu-tai licensing PFS packaging, storage and precautions: use of 25Kg lined woven bag or paper-plastic bag, but also according to user requirement. Storage and transportation, pay attention to heat, moisture, packaging to prevent breakage, dry powder product will absorb moisture caking exposed in the long-term. Stacking shall not exceed 20 layers. Effective storage period is 2 years. Gongyi City Water Material Co., Ltd. Jinhua Yu Tai Branch is a production of water treatment chemicals PFS wholesalers, filter, activated carbon PFS suppliers, 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. Where there PFS, Dongyang PFS, Yu-tai water quality provided by Gongyi City Water Material Co., Ltd. Jinhua Yu Tai Branch. Gongyi City Water Material Co., Ltd. Jinhua Yu Tai Branch (yutaijinhua.1688.com) strong, credible, Jinhua in Zhejiang chemical products processing industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead you hand-Thai water and into the brilliant, for a better future!