Raw material, energy , coal , zinc, iron, petroleum products, construction material..
Natural barium sulphate (barytes) Natural barium sulphate is used in the manufacturing industry as a component in paints, inks, and varnishes. It is also used in the production of paper, textiles, and plastics, as well as in oil drilling. A barium salt, combined with a sulfuric acid solution, is used to form a white barium sulfate precipitate.
