... 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, excellent ... equipment.6, it has visible effect to raw water purify for slight polluted, with algae, low temperature, low turbidity. It is ...