Yuan Lei's Little Knowledge | Conversion of Mbytes to Micron
definition of particle mesh:
The larger the mesh number, the finer the particle size of the material; the smaller the mesh number, the larger the particle size of the material.Sieving particle size is the size of the mesh that the particles can pass through the screen. The number of meshes on the length of 1 inch (25.4mm) is called the mesh number.
The specifications of standard sieves vary from country to country. The commonly used Taylor system is the number of holes per inch long, which is called mesh. A 100-mesh sieve, for example, represents 100 openings per inch of screen.
Number of mesh and micron comparison table
The number of eyes is the number of holes, which is the number of holes per square inch.The larger the mesh number, the smaller the aperture.Generally speaking,Mmesh x pore size (microns) = 15000. For example, the aperture of the 400 mesh is about 38 microns; the aperture of the 500 mesh is about 30 microns.
Due to the problem of opening rate, that is, because of the different thickness of the wire used in weaving the net, the standards of different countries are also different. At present, there are three kinds of American standards, British standards and Japanese standards, of which Britain and the United States are similar, and Japan is quite different. Our country uses the American standard, that is, it can be calculated by the formula given above.
Micron, standard, that is, aperture, screen, United States, larger, purpose, particle size
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.
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.