natural flake graphite powder / synthetic graphite powder / artificial graphite

graphite powder
Boiling point: 4250°C
Density: 1.6～2.2
Appropriate use: carburizer, smelting
Structure: high temperature resistance, electrical conductivity, thermal conductivity

Graphite powder can be divided into two categories:
1. Natural graphite
2. Synthetic graphite
Among them, natural graphite has the following types:
1. Flake graphite
2. Spherical graphite
3. Micronized graphite
4. Expandable graphite
5. Soil graphite

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flake graphite

It is a natural crystalline graphite, which is similar to fish phosphorus and belongs to the hexagonal crystal system. It has a hierarchical structure. It has good properties of high temperature resistance, electrical conductivity, heat conduction, lubrication, plasticity and acid and alkali resistance.
Flake graphite is a natural lubricant with a layered structure, which is abundant in resources and cheap in price.

natural graphite

It is the transformation of carbon-rich organic matter under the long-term action of high temperature and high pressure geological environment, and is the crystallization of nature. The technological properties of natural graphite mainly depend on its crystal form. Minerals with different crystal forms have different industrial values ​​and uses. There are many kinds of natural graphite. According to different crystal forms, natural graphite is divided into dense crystalline graphite, flake graphite and aphanitic graphite.

artificial graphite

All graphite materials obtained through high-temperature treatment such as organic carbonization and graphitization, such as carbon fiber, pyrolytic carbon, foamed graphite, etc., can be called artificial graphite. Artificial graphite in a narrow sense usually refers to a block solid material made of carbon raw materials with low impurity content as aggregate, coal tar pitch as binder, and processed by batching and kneading, such as graphite electrode, isostatic graphite Wait. , forming, carbonization and graphitization.

synthetic graphite

Products mainly processed by pressing, roasting, graphitization, etc.

Purpose

Porcelain boats, usually made of graphite, are used for pressing and sintering. The monocrystalline silicon growth crucible, regional refining kettle, bracket fixture, and induction heater are all made of high-purity graphite. In addition, graphite can also be used for vacuum smelting graphite insulation boards and bases, high temperature furnace tubes, rods, plates, grids and other components
Graphite can be used as pencil lead, pigment, glazing agent. After special processing, graphite can be made into various special materials for use in relevant industrial sectors.

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