... agent. 3,treatment of wastewater,drinking water and poisonous water Polyaluminium chloride (PAC) is a water-soluble high inorganic mlecular polymer. It ... quality,alum flower formed is quick and big, easily settled.PAC features fast flocculating rate, small corrsiveness and low labour ... (Hg)%≤0.00001 Hexavalent chrome(Cr6+)≤0.0005 YIQUAN PAC/Polyaluminium chloride for the papermaking industry