... 1.Purity: 30%min 2.CAS No.: 1327-41-9 3.Appearance: dark yellow powder Polyaluminium Chloride for drinking waterPurity ... , coal washing, leather and all kinds of chemical waste water treatment; 3, industrial application; paper sizing, printing dyeing, Cement ... cloth, medicine, cosmetics and other industries, waste water can be recycled use; New resource polyaluminium chloride PAC for water treatment