... 2%min barium carbonate White granular, Soluble in acid,Insoluble in water, PoisonousBarium Carbonate Compacted GranularChemical formula: BaCO3Molecular ... woven bags lined with plastic bagsUsage: Mainly used in magnet material, electronic pottery, purified water, paint, pigment, ... coating, construction material, the steel carbonizes, making other barium salts ...