barium carbonate Main content: 99.2% min competitive price and good quality ISO 9000 Free samples Barium carbonateCAS: 513-77-9 Formular: ... , production of pigments, paints or other barium salts used in making optical glass , barium magnetic materials is an important chemical raw ... Cautions: 1, inorganic toxic chemicals, hazardous code 83004, kept in dry place, no breakage, or leakage. 2, the loader ...