... Poly Aluminium Chloride (PAC) 1.Factory supply 2. PAC for water treatment 3. PAC free sample 4. Prompt delivery Poly Aluminium Chloride (PAC) water treatment agent ... 2O 3.3.Usage:PAC is a kind of inorganic macromolecule flocculant. Through the hydroxyl ... in printing and dyeing industry, leather industry, brewage industry, meat-processing industry, coal-washing, metallurgy industry, mine, pharmacy, ...