Yuan Lei's Little Knowledge | Barium Sulfate Series-Extinction Barium Sulfate

Release time:

2024-01-29 09:34

Yuan Lei's Little Knowledge | Barium Sulfate Series-Extinction Barium Sulfate



▷ Product Features

Colorless orthorhombic crystal or white amorphous powder. Odorless. It's tasteless. Decomposition above 1600 ℃. Soluble in hot concentrated sulfuric acid, almost insoluble in water, ethanol and dilute acid. The relative density is 3.5~4.5. Boiling point 1149 ℃. Soluble in hot concentrated sulfuric acid, easy to agglomerate when dry. 600 ℃ with carbon can be reduced to barium sulfide.



1, more bright color: good dispersion of matte barium, play a maximum hiding power, at the same time as the carrier of the pigment to make the pigment efficient dispersion and obtain uniform color; high purity whiteness make the tone brighter pure; fine crystal structure characteristics and high refractive index, make the color more rich and full.

2, more stable system: extinction barium good chemical inertness, so that all kinds of system basic environment to maintain stability; ultra-fine particle surface energy is strong, good compatibility, can be combined with other materials organic cross, enhance the binding force; evenly dispersed differential monomer, stable suspension in the system, do not produce flocculation or precipitation.

3. Stronger paint film: the high density of extinction barium brings good wear resistance; the strong surface of ultra-fine particles can make the film and the substrate more firmly combined; uniform ultrafine particles. Make the paint film more smooth, more durable.

4, more excellent weather resistance: extinction barium excellent chemical inertness, waterproof acid, can resist acid rain, high temperature and corrosion resistance; at the same time has a special ray absorption function, greatly improve the weather resistance of the coating.




1. Used in coatings and industry. Can be used as a paint, coating filler to replace precipitated barium sulfate, lide powder, titanium dioxide, active silica and other high-priced raw materials, suitable for controlling the viscosity of the paint, so that the product color bright, stable and good.

2, used in the plastics industry. -It can be used as a filler for plastic ABS raw materials, and can also be used in chips and mahjong to make the product shiny and bright, and at the same time, it can also improve the strength, rigidity and wear resistance of the product.

3. Used in rubber industry. 400 mesh products can be used in a large number of rubber products as a filler, reduce costs, improve product hardness, acid and alkali resistance and water resistance, and natural rubber and synthetic rubber has a good reinforcing effect.

4. Used in paper industry. High fineness barite powder can be used for white board paper, copper board paper filler and coating filler, in order to improve the whiteness, improve the surface coverage.

Barium sulfate, used, filler, product, improve, good, as, paint, paint film

Different applications and specifications of washed kaolin and calcined kaolin


Kaolin is a non-metallic mineral, which is a kind of clay and clay rock mainly composed of kaolinite clay minerals. Because it is white and delicate, also known as white earth. It is named after Gaoling Village, Jingdezhen, Jiangxi Province.

Source Lei gas barium sulfate ten uses


Barium sulfate is based on barite as the main raw material, through beneficiation, ore washing, crushing and other processes. Barium sulfate has a hardness of 3~3.5 (Mohs) and a specific gravity of 4.3~4.7. It has the characteristics of high specific gravity, low hardness and brittleness. Barite is almost insoluble in water, ethanol and acid, soluble in hot concentrated sulfuric acid. With the development of some high-performance barium sulfate products, the application field of barium sulfate is constantly expanding.