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