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

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Graphite, while as hard as a diamond, is also lightweight, soft and heat resistant due to its unique structure. It is the world’s most popular non-metallic material. Graphite, also known as Plumbago during ancient times, was a non-metallic mineral. It is an allotrope of carbon and a semi-metal. Graphite is most stable under standard conditions. In thermochemistry, graphite is used to determine the standard state for forming the heat in carbon compounds. Graphite can be considered as the highest grade coal. Anthracite and meta-bituminous are the next two grades, but they are not typically used for fuels because it’s difficult to ignite.

Graphite Types and Features

The three types of graphite that are found in various deposits can be divided into:

Flake graphite

Flake graphite is a flat, hexagonal-edged plate. It can have irregular or angular edges if it does not break. It is found in metamorphic rock, like limestone, gneiss or schist. The crystals are either evenly distributed throughout the ore or concentrated in pockets.

This is an uncommon form of graphite

Carbon ranges from 85 to 98%.

There are four standard sizes: large, super large and fine

Graphite can be used for new technologies, including anode materials in lithium-ion batteries.

Amorphous graphite

The graphite in amorphous form is found in the mesomorphic layers of rocks such as slate, coal and shale. Carbon content is dependent on its parent material. It is found in coal as a result of the thermal metamorphism and is known as meta-anthracite. Because it is harder to burn than coal, it’s not used for fuel.

This is the most abundant type of graphite

Low carbon content 70-80%

Lowest purity

Used in refractory brake pad, clutch materials, gaskets, and pencil lead.

Vein graphite (or lump graphite)

According to some scientists, vein graphite can be made from crude oils that are transformed into graphite by temperature and pressure. Riddle said that the veins “are very small, measuring between 5 to 10 centimeters” and are 70 to 100% pure. It’s rare and expensive.

The only place where the mines are currently active is Sri Lanka

Limit the durability of most applications.

(aka. Technology Co. Ltd., a trusted global chemical supplier & manufacturer has been providing high-quality Nanomaterials and chemicals for over 12 Years. Our company produces graphite with high purity and low impurity levels. If you require a lower grade, please do not hesitate to contact us.


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