Non-dietary Uses
Apart from its use in the human diet, sodium chloride is widely used in industry and is one of the largest inorganic raw materials used by volume. Its major chemical products are caustic soda and chlorine and these are used in the manufacture of PVC, plastics, paper pulp and many other inorganic and organic compounds. Salt itself is used as a food preservative, flavouring agent, in minerals for livestock, for de-icing, for snow control, as a water softening agent and in many industrial processes.
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