Product introduction: Polyaluminium Chloride (PAC) belongs to inorganic macromolecular polymer, enjoying strong adsorbing force, ... it has the advantages of wide applying range. Therefore, Polyaluminium chloride is a water-cleaning agent with high efficiency, quick speed ... .0 5.0 Arsenic(As),ppm ≤ 0.0005 0.0015 Cadmium(Cd),ppm ≤ Chromium(Cr),ppm ≤ Pb%≤ 0.002 0.006 ...