1.Perfect PAC/polyaluminium chloride 2.(AL2O3)CONTENT: 30% 3.CAS No.:1327-41-9 4,yellowish color 5.Water treatment chemicls Application: PAC/polyaluminium chloride is mainly used for purifying drinking water, production waste water and industrial wastewater.It is really a perfect water treatment chemicals. a. Spray dried type :perfect for drinking water or industrial water treatment. Key ...