... dyeing and printing industry, it has no the defects of Polymer Ferric Sulphate. It solution is weak acid. Properties:1, ... New type, high quality, high iron salts of inorganic polymer flocculants.2, Coagulation excellent, alum dense, fast settlement.3, ... : condensate settlement rate, alum large, with excellent dewatering performance. Indicators met or better than the GB14591-2006 "Water Treatment PFS ...