... in caustic soda electrolysis (purification of brine), metal heat treatment, pigments, ceramics, medicine, insecticide, manufacturing other barium salts, tannage, softening agent etc ... , mordant, water softener, steam antiscale, paper making, lake toner, extinction of rayon and so on.Technical parameter:CONTENT 98.0% min ... 0.005% max.WATER INSOLUBLE MATTERS 0.10% max. 98% Barium Chloride Dihydrate