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Graphite is classified into six categories and has many applications.
The graphite reserves in my country are vast and well distributed. However, many are small- and medium sized minerals. Private small graphite miners have operated in my country, but their added value is low. After many years of hard work, my country has invested in a large amount of money and scientific and technological personnel. The graphite reserves of my country have been used more efficiently after reorganizing mineral enterprises and improving graphite utilization. Now, my country has developed high purity graphite as well as expanded graphite.
1. High purity graphite
High-purity carbon graphite is used in the chemical fertilizer, metallurgical, military, industrial, and pyrotechnic industries as a stabiliser, catalysts, and additives.
2. Isostatic Graphite
The graphite used to make isostatic graphite comes from graphite of high purity. It has a low coefficient of thermal expansion, excellent heat resistance, chemical resistance and good thermal conductivity. In the last fifty years, isostatic graphite has become a world-first product. It has not only achieved great success in civil applications, but also holds a prominent position in cutting-edge national defense. This is a brand new material, which is also eye-catching. This material is mainly used for the following purposes.
Heater for polysilicon smelter.
As a result of the global warming, the awareness among humans to protect the Earth has increased. More and more people now prefer natural energy that does not emit carbon dioxide. In this trend, solar cell technology has become the “darling of the new age”. The ingot heater that is used during the manufacturing process must be made out of graphite.
Nuclear fission (high temperature gas-cooled) reactor
In order to meet the requirements of graphite as a moderator for high-temperature reactors that use gas cooling, it must resist radiation creep. This led to a modular design for a high-temperature reactor. Modern ultra-high temperature reactors are characterized by high power density at high temperatures. This puts higher demands on the new generation graphite material: high quality and price, ultra high radiation damage tolerance and product homogenization.
Nuclear fusion reactor.
Graphite’s special properties also play an important role in nuclear fusion. It is capable of reducing the metal impurities to a great extent in the material’s plasma. As a result, it can play a major role in improving energy confinement. As nuclear fusion devices expand, graphite wall materials that have high mechanical and thermal strength are the best choice for the first material to face the plasma. These materials also show a good discharge pulse during application. Because graphite is low in atomic numbers and has low radiation losses, it can be mixed with plasma to keep it stable.
(4) Electric discharge machining electrode.
In the electrodes for electric discharge machining, graphite electrodes offer many advantages. Although graphite is a good material, it has some disadvantages. For example, dust and wear can occur during cutting.
3. Expandable graphite
Also known as acidified or flake graphite. It is made from high-quality graphite. Expanded Graphite offers many advantages, such as high-temperature resistance, high-pressure resistance, good seal performance, and corrosion resistance for various media. It is a type of advanced seal material. It is mainly applied in the following areas.
Environmental protection is one of the most important fields.
The hydrophobicity and lipophilicity of expanded graphite allows it to selectively remove nonaqueous solutions in water. This property is commonly used to remove oil from the sea surface. A large amount of oil can be absorbed by this product due to its molecular composition. It is possible to aggregate the graphite into blocks that float on water, recycle and reuse it without secondary pollution. Expanded graphite, in addition to its selective adsorption, has a positive effect on air pollutants, including the adsorption and removal of carbon dioxide.
Sealing Material
It is also known as “the sealing king” because it can be transformed into flexible graphite. This graphite has low thermal expansion coefficients, and doesn’t crack or soften at low temperatures.
4. Graphite fluoride
Graphite fluoride, a new material with high-tech performance and efficiency, is a hotspot for research in the world. It is widely used for functional materials due to its unique properties and excellent performance.
(1) It is used as a releaser.
Graphite-fluoride has a low surface energy, which makes it a good release agent for metal moulds.
(2) Solid Lubricants
Fluorinated Graphite, with its low interlayer energy and low surface energy as well as good chemical and thermal properties, has excellent lubricating characteristics and is ideal for harsh conditions like high temperature, pressure, corrosive materials and high load.
(3) Raw materials for batteries
It is very difficult to use fluorine in the active material of batteries that contain fluorine-lithium, because fluorine gas can be poisonous. Fluorinated Graphite is used for its excellent electrochemical properties when mixed with organic electrolytes. This makes it a popular material in the integrated circuit memory of cameras, computers and watches.
5. Colloidal graphite
One of the main features of colloidal graphite is its lubricity. The colloidal film of graphite has an excellent thermal insulation in the vertical direction. It is used widely in turbine propellers and hot steam cylinders. It is used to reduce static electricity in the electronics industry.
6. Graphene
Graphene consists of a hexagonal honeycomb-like lattice made up of hybrid orbitals and carbon atoms. This is a two dimensional material, with a carbon atom thickness. It is the most durable and hard nanomaterial ever found.
The special arrangement of atoms in its structure has made it widely used.
(1) According to ultra-thin Graphene (single layer graphene almost transparent; its molecules are tightly packed, so that even the smallest of helium atoms can’t pass through), the strength is super strong, and it can be used in ultra-light armors, ultra thin and ultra light aircrafts, etc. .
(2) Its conductive atoms have a much higher speed than electrons that move in metal conductors. It can be made into graphene conductor agent.
Its thermal conductivity is superior to all known substances. Due to the rapid movement and transfer of electrons, it can be applied in place of silicon as a component of future curved mobiles, photon sensors, and supercomputers.
Researchers have found that bacteria cannot grow on graphene but human cells do not get damaged. Take advantage of it; graphene is great for bandages, packaging food, etc.
Tech Co., Ltd. is a professional manufacturer of graphite with more than 12 years’ experience in research and development for chemical products. You can contact us to send an inquiry if you need high-quality graphite.
The graphite reserves in my country are vast and well distributed. However, many are small- and medium sized minerals. Private small graphite miners have operated in my country, but their added value is low. After many years of hard work, my country has invested in a large amount of money and scientific and technological personnel. The graphite reserves of my country have been used more efficiently after reorganizing mineral enterprises and improving graphite utilization. Now, my country has developed high purity graphite as well as expanded graphite.
1. High purity graphite
High-purity carbon graphite is used in the chemical fertilizer, metallurgical, military, industrial, and pyrotechnic industries as a stabiliser, catalysts, and additives.
2. Isostatic Graphite
The graphite used to make isostatic graphite comes from graphite of high purity. It has a low coefficient of thermal expansion, excellent heat resistance, chemical resistance and good thermal conductivity. In the last fifty years, isostatic graphite has become a world-first product. It has not only achieved great success in civil applications, but also holds a prominent position in cutting-edge national defense. This is a brand new material, which is also eye-catching. This material is mainly used for the following purposes.
Heater for polysilicon smelter.
As a result of the global warming, the awareness among humans to protect the Earth has increased. More and more people now prefer natural energy that does not emit carbon dioxide. In this trend, solar cell technology has become the “darling of the new age”. The ingot heater that is used during the manufacturing process must be made out of graphite.
Nuclear fission (high temperature gas-cooled) reactor
In order to meet the requirements of graphite as a moderator for high-temperature reactors that use gas cooling, it must resist radiation creep. This led to a modular design for a high-temperature reactor. Modern ultra-high temperature reactors are characterized by high power density at high temperatures. This puts higher demands on the new generation graphite material: high quality and price, ultra high radiation damage tolerance and product homogenization.
Nuclear fusion reactor.
Graphite’s special properties also play an important role in nuclear fusion. It is capable of reducing the metal impurities to a great extent in the material’s plasma. As a result, it can play a major role in improving energy confinement. As nuclear fusion devices expand, graphite wall materials that have high mechanical and thermal strength are the best choice for the first material to face the plasma. These materials also show a good discharge pulse during application. Because graphite is low in atomic numbers and has low radiation losses, it can be mixed with plasma to keep it stable.
(4) Electric discharge machining electrode.
In the electrodes for electric discharge machining, graphite electrodes offer many advantages. Although graphite is a good material, it has some disadvantages. For example, dust and wear can occur during cutting.
3. Expandable graphite
Also known as acidified or flake graphite. It is made from high-quality graphite. Expanded Graphite offers many advantages, such as high-temperature resistance, high-pressure resistance, good seal performance, and corrosion resistance for various media. It is a type of advanced seal material. It is mainly applied in the following areas.
Environmental protection is one of the most important fields.
The hydrophobicity and lipophilicity of expanded graphite allows it to selectively remove nonaqueous solutions in water. This property is commonly used to remove oil from the sea surface. A large amount of oil can be absorbed by this product due to its molecular composition. It is possible to aggregate the graphite into blocks that float on water, recycle and reuse it without secondary pollution. Expanded graphite, in addition to its selective adsorption, has a positive effect on air pollutants, including the adsorption and removal of carbon dioxide.
Sealing Material
It is also known as “the sealing king” because it can be transformed into flexible graphite. This graphite has low thermal expansion coefficients, and doesn’t crack or soften at low temperatures.
4. Graphite fluoride
Graphite fluoride, a new material with high-tech performance and efficiency, is a hotspot for research in the world. It is widely used for functional materials due to its unique properties and excellent performance.
(1) It is used as a releaser.
Graphite-fluoride has a low surface energy, which makes it a good release agent for metal moulds.
(2) Solid Lubricants
Fluorinated Graphite, with its low interlayer energy and low surface energy as well as good chemical and thermal properties, has excellent lubricating characteristics and is ideal for harsh conditions like high temperature, pressure, corrosive materials and high load.
(3) Raw materials for batteries
It is very difficult to use fluorine in the active material of batteries that contain fluorine-lithium, because fluorine gas can be poisonous. Fluorinated Graphite is used for its excellent electrochemical properties when mixed with organic electrolytes. This makes it a popular material in the integrated circuit memory of cameras, computers and watches.
5. Colloidal graphite
One of the main features of colloidal graphite is its lubricity. The colloidal film of graphite has an excellent thermal insulation in the vertical direction. It is used widely in turbine propellers and hot steam cylinders. It is used to reduce static electricity in the electronics industry.
6. Graphene
Graphene consists of a hexagonal honeycomb-like lattice made up of hybrid orbitals and carbon atoms. This is a two dimensional material, with a carbon atom thickness. It is the most durable and hard nanomaterial ever found.
The special arrangement of atoms in its structure has made it widely used.
(1) According to ultra-thin Graphene (single layer graphene almost transparent; its molecules are tightly packed, so that even the smallest of helium atoms can’t pass through), the strength is super strong, and it can be used in ultra-light armors, ultra thin and ultra light aircrafts, etc. .
(2) Its conductive atoms have a much higher speed than electrons that move in metal conductors. It can be made into graphene conductor agent.
Its thermal conductivity is superior to all known substances. Due to the rapid movement and transfer of electrons, it can be applied in place of silicon as a component of future curved mobiles, photon sensors, and supercomputers.
Researchers have found that bacteria cannot grow on graphene but human cells do not get damaged. Take advantage of it; graphene is great for bandages, packaging food, etc.
Tech Co., Ltd. is a professional manufacturer of graphite with more than 12 years’ experience in research and development for chemical products. You can contact us to send an inquiry if you need high-quality graphite.