... industry, meat-processing industry, coal-washing, metallurgy industry, mine, pharmacy, paper-making, and purification of the waste water containing fluorine, oil ... ) Cement Solidifying, and moulding,Refining of pharmaceuticals, glycerine and sugar,Paper-making glue.Packing of Poly aluminium Chloride : 25kgs/PE bags ... and heated damp, do not damage packaging. hot selling PAC 28% for water treatment