... and printing industry, it has no the defects of Polymer Ferric Sulphate. It solution is weak acid. Properties:1, New type, high quality, high ... purify for slight polluted, with algae, low temperature, low turbidity. It is preferred to high turbidity raw water purification ... 50%. Specifications1,Condensate settlement rate 2,alum large, with excellent dewatering performance 3, better than the GB14591-2006 ...