Specifications: Total base content (as Na2CO3, on dry base): Min. 99.2 % Chlorides (as NaCl, on dry base): Max. 0.70% Iron (as Fe, on dry base): Max. 0.035% Insoluble in water: Max. 0.03% Loss on ignition: Max. 0.80% Fineness (180um): Min. 75.0% Appearance: White powder or fine crystals. Usage: Soda is an important chemical substance of white power or fine grains, which is easily soluble in water, it is used as a raw material in the production of building glass, soap, papers and as a cleaning agent; For bleaching, and in the treatment of water. Packing: 25kgs net bag, 20mts in the 20'FCL.