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Precipitated barium sulfate is widely used in friction sealing materials
Time of issue : 2019-05-10 15:33:00
Barium sulfate is obtained from barite, a mineral rich in barium sulfate, which also contains clay minerals, organic matter and other substances. Pure crystal is colorless and transparent, and it is usually off-white due to impurities. It is chemically stable, insoluble in water and hydrochloric acid, non-magnetic and toxic. The deep processing products of barite expand the scope of application, using the characteristics of moderate hardness and high temperature resistance of barite
Precipitated barium sulfate has been widely used in friction sealing materials, and has become an indispensable inorganic filler in friction materials. The use of precipitated barium sulfate can stabilize the friction coefficient, reduce the wear rate, and the friction surface is smooth and clean.
Precipitating barium sulfate is calcining the barite and coal powder together in a reduction furnace, and then the calcined product is subjected to impurity removal, water immersion and pulping. Pump the slurry into the reaction tank, add Glauber's salt, add steam to heat and stir to accelerate the formation.
Application fields of barium sulfate as a filler
Time of issue : 2019-05-08 15:32:00
The development of inorganic-filled polypropylene load-bearing materials is rapid. This is due to the addition of inorganic fillers, which reduces the shrinkage of plastic products, improves dimensional stability, overcomes the warpage and deformation of the products, and the heat resistance and rigidity of the products It has also been obtained, and the cost is reduced. Commonly used inorganic fillers include talc, calcium carbonate and the like.
Due to the difference in the properties of inorganic fillers and plastics and the affinity between the two, with the addition of fillers, the elongation at break, impact toughness and fluidity of the material will go down the well, which will teach you material design and products. difficulty.
Barium sulfate filled polypropylene material is a new type of highly filled composite material with high stiffness, high toughness and high elongation. With new and better capabilities in physics and mechanics.
The scope of application of precipitated barium sulfate
Time of issue : 2019-05-03 15:25:00
Uses of precipitated barium sulfate: used as a raw material or filler for paints, inks, plastics, advertisements, pigments, cosmetics batteries, and as fillers and reinforcements in rubber products, and as fillers and weighting agents in polyvinyl chloride resins. Surface coating agent for paper and art paper, sizing agent for textile industry. Glass products are used as clarifiers, which can defoam and increase gloss. It can be used as a protective wall material for anti-radiation.
Precipitated barium sulfate is also used in industries such as ceramics, enamels, fragrances and pigments. It is also a raw material for the manufacture of other barium salts-powder coatings, paints, marine primers, ordnance paints, automotive paints, latex paints, interior and exterior wall architectural coatings, which can improve the product's light resistance, weather resistance, chemical and electrochemical corrosion resistance and products The decorative effect enhances the impact resistance of the coating.
In the inorganic industry, it is used as a raw material for the manufacture of other barium salts such as barium hydroxide, barium carbonate, and barium chloride.