Polyaluminium Chloride 1.Basicity: 40% ~ 90% 2.Al2O3: 30% 3.Free samples ... , adsorption electricity neutralization, adsorption Bridges, sediment trap etc mechanism function, make edema subtle aerosols and colloidal ions off firm, gathered, flocculation ... which A mandatory,B classes are recommended. Factory price of Polyaluminium chloride for industrial wastewater treatment