Non Ferric Alum Supplier In Chennai Non Ferric Alum Supplier Near by #Chennai #Poonamalle #Ambattur #Tambaram #Tamilnadu Non ferric alum powder is a high-purity, iron-free aluminum sulfate compound used primarily as a coagulant in water purification, a sizing agent in paper manufacturing, and a mordant in textile dyeing. Because it lacks iron contamination, it prevents staining and discoloration