... temperature Product Introduction PAC, short for Polyaluminium Chloride, is also referred to as alkaline aluminium chloride or coagulant, etc. It is water-soluble inorganic ... occur during hydrolytic process. It is a harmless inorganic composite coagulant with macromolecule, and is the ideal chemical to treat ... be made upon customers’ special request. Water Treatment Agent - PAC polyaluminium chloride