(1) The chemical industry is used to manufacture sodium sulfide, sodium silicate (water glass) and other chemical products.
(2) Fillers for washing industrial synthetic detergents.
(3) The cooking agent used in the paper industry to produce sulfate pulp.
(4) The glass industry is used instead of soda ash as a co-solvent.
(5) The textile industry is used to deploy Vinylon spinning coagulant.
(6) Used in non-ferrous metallurgy, leather, etc.