Barium carbonate is a white powder that is used in a variety of industrial applications. It is a common component in glass and ceramic glazes, and is also used as a pigment in paints and inks. In the chemical industry, it is used to produce other barium compounds, and it is used as a flux in soldering. It is also used to produce other barium compounds, as an additive in brick and tile production, and as a catalyst in the production of some polymers.