... 99.6% min 3).Grade:industry 4) manufacturer of industry salt Sodium Chloride/industry salt/refined salt/pure vacuum dried ... bags,etc. 7.Industry salt Usage: It is mainly used in producing anhydrous sodium carbonate,sodium hydrate,sodium metal ... , glauber salt, synthetic hydrochloric acid, ,syntheticrubber ,plastic,fibre,pesticide, melting snow,medicine. 8.Industry ...