water treatment BAC/water filter Basic aluminum chloride BAC /basic aluminum choride BAC 1. High activity, ... changed after the product is affected with damp.Basic aluminium chloride (BAC)This product is inorganic polymer. It ... by refined process and polymerization, using industrial aluminium residue, aluminium ash and active bauxite as raw material, ... aqueous solution)≤3.0 BAC--basic aluminium chloride