Caustic Soda Flakes *9%min Sodium Chloride: 0.02%max Sodium Carbonate: 0.5%max Iron Oxide: 0.**5%max Density (g/cm3): 2.*2 Melting Point(℃): **8.4 Boiling Point(℃): ***0 Usage: It is used for making chemicals, the paper, soap and detergent, artificial silk and cellophane, make and oxidize aluminum
