"Chemtex's Poly Aluminum Chloride is an industry standard primary coagulant which is used in the treatment of drinking water, sewage and industrial effluents and is also a well as established paper processing aid.
Poly aluminium chloride (PAC) is an aluminium-based coagulant. Its highly charged polymer chain polymerization of aluminum ions and colloidal particles in water with high efficiency and power in and bridging flocculation function."