Categories of Graphite Powder
The graphite powder can be divided into the following five categories according to different uses.
Ⅰ. Flake graphite powder
Flake graphite powder has a wide range of uses. It is also the original data material processed into other graphite oxide powder. Flake graphite powder has good toughness has an excellent thermal conductivity and corrosion resistance. Flake graphite powder can be developed as building refractory design materials, grinding and lubrication system materials, conductive composite materials, casting, sand finding, die and high-temperature treatment metallurgical engineering materials, etc.
Ⅱ. Colloidal graphite powder
When graphite particles with a diameter of fewer than 2 meters are uniformly dispersed in an organic solvent, colloidal graphite is formed. Graphite colloid is a dense suspension of black filaments.
Colloidal graphite powder has the characteristics of high-quality natural flake graphite. Colloidal graphite powder has special oxidation resistance, self-lubricity, and plasticity under high-temperature conditions, and good electrical conductivity, thermal conductivity, and adhesion. It is mainly used for sealing and metallurgical desorption. Mould and other industries.
Ⅲ. Superfine graphite powder
The mesh size of the ultra-fine graphite powder is generally 1800-8000 heads, the main application of powder metallurgy as a release agent, the production of graphite crucibles, the negative electrode, and the additives made of conductive materials, and so on.
Ⅳ. Nano graphite powder
The main technical specification of nano-graphite powder is D50 400 nanometers. The process of nano-graphite powder is complicated to compare and analyze, and the yield is low. Therefore, the price of nano-graphite powder is relatively higher than the quality.
The nano-graphite powder can be mainly used in anti-corrosion coatings, lubricant additives, grease additives, precision graphite sealing, and other industries. In addition, the nano-graphite powder also has a specific high application research value in scientific research management institutions.
Ⅴ. High purity graphite powder
As the name implies, high purity graphite is highly purified, which is 100 times that of general conductive metals, and has a good lubrication result.
They are mainly used to produce high-purity graphite powder and high-strength graphite conductive coating electrodes.
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