It would be difficult to list all of the thousands of industries that use salt as a raw material or ingredient. The major industries include:
Textile and dyeing. Salt is used to fix dyes and to standardize dye batches
Metal processing, such as aluminum refining. Salt is used to remove impurities
Rubber manufacturing. Salt separates the rubber from latex
Oil and gas drilling. Salt is used to produce a drilling mud that prevents widening of bore holes in rock salt strata, inhibits fermentation, and increases mud density
Pharmaceuticals. Salt is used for tablet and caplet polishing, the production of intraveneous saline solutions and for manufacturing hemodialysis solutions used for kidney machines
Animal hide processing and leather tanning. Salt is used to cure, preserve, and tan hides
Pigment manufacture. Salt is a grinding agent
Ceramics manufacture. Salt acts to vitrify heated clays
Soap making. Salt separates glycerol from water
Detergent production. Salt is used as a filler.
Just a few of salt’s other industrial uses include.