Barium Carbonate Constantly excellent quality Competitive price Guaranteed delivery Free sample Barium Carbonate Fluorescence gradeCAS: 513- ... barium salt;2, used in making optical glasses, barium magnetic materials;3, used in making fireworks and signal flare;4, ... and metal surface treatment;6, used as raw materials of making other barium salts, ceramics, enamels, pigments, coatings, rubber, and ...