Poly aluminium chloride(PAC) Al2O3:>=28% 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 ... to 1:3, the solid product dissolved in liquid water, together with the 10-30 times of water ... %≤0.000010.00001Cr6+%≤0.00050.0005 Poly aluminium chloride(PAC)