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Graphite is One of the Most Versatile Non-Metallic Materials in the World

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Author : TRUNNANO
Update time : 2020-10-01 07:29:58
Graphite is as hard as diamond, but its unique structure makes it soft, lightweight, and highly heat resistant. It is one of the most widely used non-metallic minerals in the world. Graphite was called Plumbago in ancient times. It is a crystal form of carbon, semi-metal, natural element minerals, and one of the allotropes of carbon. Under standard conditions, graphite is the most stable form of carbon. Therefore, it is used in thermochemistry to define the standard state of forming the heat of carbon compounds. Graphite may be considered the highest grade of coal, the second is anthracite or meta-bituminous coal, however, it is usually not used as a fuel because it is difficult to ignite.
 

Type and features of Graphite

There are three main types of natural graphite, each of which exists in different types of deposits:
 

Flake graphite

Flake graphite exists in the form of isolated, flat, plate-like particles with hexagonal edges. If it does not break, the edges may be irregular or angular when broken. It exists in metamorphic rocks, such as limestone, gneiss, and schist, which are evenly distributed in the ore body or concentrated in crystalline pockets.
 
This is a less common form of graphite
Its carbon range is about 85-98%.
There are four basic sizes: super large, large, medium, and fine
Graphite applications for emerging technologies, such as anode materials for lithium-ion batteries

Amorphous graphite

Amorphous graphite is very fine crystalline particles located in mesomorphic rock layers such as coal, slate, and shale. Its carbon content depends on the carbon content of its parent material. When found in coal, it is the result of thermal metamorphism of coal and is called meta-anthracite. Unlike coal, it is not easy to burn, so it is not used as a fuel.
 
It is by far the most abundant form of graphite
Low carbon content, 70-80%
Lowest purity
Used for refractory brake pads, gaskets, clutch materials, and pencil leads.

Vein graphite (or lump graphite)

Vein graphite is believed to be derived from crude oil deposits, which are converted into graphite over time, temperature, and pressure. Riddle said these veins are "very small, between 5 and 10 centimeters in width," and are usually 70 to 99+ pure. It is scarce and expensive.
Currently only mined in Sri Lanka
Limit the survivability of most applications.
 
TRUNNANO (aka. Luoyang Tongrun Nano Technology Co. Ltd.) is a trusted global chemical material supplier & manufacturer with over 12 years’ experience in providing super high-quality chemicals and Nanomaterials. The graphite powder produced by our company has high purity, fine particle size, and impurity content. Lower, please contact us if necessary.
 
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