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Pat Impex is a reputed and leading manufacturer, supplier & exporter of Ferric Alum, Non Ferric Alum, Ammonia Alum & Potash Alum based at Vadodara, Gujarat, India. Alum is essentially aluminium sulphate with empirical formula Al2 (SO4)3.18HO. It is of two types (i) Ferric and (ii) Non Ferric. Ferric alum is a less pure form of aluminum sulphate. It is used in lower grades of paper for loading and sizing purposes. Ferric alum uses bauxite as the raw material. The raw material is cooked with sulphuric acid under suitable conditions. The resultant product is sold in liquid form. #alum-manufacturer, #alum, #ferricalum