Barium sulfate
The mineral is barite barium sulfate. White amorphous powder. Difficult to dissolve in water, acid, alkali or organic solvent. The use of barium sulfate as the main use of barium sulfate in the gastrointestinal tract can absorb X rays and the development of the role, so mainly used as gastrointestinal contrast agent. Used for making barium salts, etc..
By barium sulfate solution with the addition of after removal of calcium and magnesium of Glauber's salt mixed solution, at 80 deg.c reactions were carried out precipitate. After filtration, washing and pickling, adjusting the pH value 5 ~ 6, filtering, drying and crushing. Also available barium yellow brine and mirabilite solution was prepared.
Application of barium sulfate
Barium sulfate can be used as a paint, ink, plastic, ad paints, cosmetics, battery raw material or filler, rubber products can be used as the filler and reinforcing effect, poly ethylene chloride resin as a filler and weighting agent, printed like paper, copperplate paper surface coating agents, textile sizing agent. Glass products used as a clarifying agent, can play a role in the role of the bubble and increase the luster. Protective wall material capable of being used as radiation protection ray. Also used in ceramics, enamel, spices and pigments and other industries. Manufacturing is also of other barium salts of raw materials -- powder coating, paint, ship paint, ordnance equipment paint, automobile paint, latex paint, interior and exterior architectural coatings, improve product light resistance, weather resistance, chemical and electrochemical corrosion products and decorative effect, coating enhanced the impact strength. The inorganic industry is used as the raw material for the manufacture of other barium salts, such as barium hydroxide, barium carbonate and barium chloride. For primer paint printing and modulation wood industry production of wood printing plate. As a green pigment and filler Lake production in organic synthesis.
Printing - ink filler, can play the aging resistance, resistance to exposure, increase adhesion, color clear, bright, non fading effect.
Filler, tire rubber, insulation rubber, rubber plate, adhesive tape, engineering plastics can enhance the product anti-aging performance and climate resistance, the product is not easy to aging embrittlement, and can significantly improve the surface finish, reduce production cost, as the main filler for powder coating is the primary means of regulating the powder bulk density increased rate of the powder.