... % Basicity:40-90% Water Insoluble %<=0.3% Color:yellow Polyaluminium chloride(PAC) PAC referred to as PAC, usually referred to as ... Basic aluminum chloride, or coagulant, it is between ALCL3 and AL (OH) 3 ... to the water-color quality SS, COD, BOB, and arsenic, mercury and other heavy metal ions, the product you are widely ...