... Barium carbonate 99.2% min used in barium salt,optical glass ,making ceramic, brick,tile Super quality with competitive pricepacking:25kgs ... making brick industry, ceramics, tile, water purifying, kinescope glass shell, optical glass, fluorescent light glass, construction material and making other barium salts5) Barium Carbonate ... 3, no mix with acids and foods. Sale! Barium Carbonate-glass industry