... ions off firm, gathered, flocculation, coagulation, precipitation to purify the treatment effect. 2.SpecificationsPolyaluminium chloride1.Al2O3:Min 28%-30%2 ... 25 kg packed in two-layer bag with the interor in plastic and the exterior the woven or as your request . 5. ... products of which A mandatory,B classes are recommended. Factory price of Polyaluminium chloride for industrial wastewater treatment