Supplier: The following are the most important uses of salt: 1. industrial salt is used for the production of chemicals used in various industries such as soda (sodium carbonate), caustic soda (sodium hydroxide, chlorine, sodium, hydrogen and hydrochloric acid). 2. food grade salt: it is used as a flavouring (snacks factories), preservative and treatment in human and animal foods. 3. tablet & block salt (suitable for all water softening systems). 4. road salt: it is used as a water freezing agent to melt snow and ice (deicing salt). 5. it is used in the processing of some mineral ores such as raw materials.