Polyaluminium Chloride (PAC) Formula: [AL2(OH)nCL6-n]m, n=1- ... -10 Al2O3: 30%MIN BASICITY:40%~90% WATER INSOLUBL Polyaluminium Chloride (PAC)Formula: [AL2(OH)nCL6-n]m, n=1 ... effect at lower water temperature.5.Higher alkalization than other aluminium salt and iron salt,and little erosionto equipmentswe can ... methodpacking in 25kgs plastic woven bag,with plastic bag inner. Poly Aluminium Chloride (PAC)