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Graphite is abundant in my country, and it’s widely distributed. However, many of the small and medium-sized mineral resources are found there. Private small graphite miners have operated in my country, and graphite products are of low added value. After many years of hard work, my country has invested in a large amount of money and technical and scientific personnel. The graphite reserves of my country have been used more efficiently after the reorganization and improvement of the graphite use. Graphite has been developed in my country as high-purity graphite.
1. High purity graphite
High-purity Graphite (carbon contents > 99.99%) can be used to stabilize military industrial pyrotechnics materials, advanced refractory material in the metallurgical sector, Chemical fertilizer catalysts, additives etc.
2. Isostatic Graphite
The graphite used to make isostatic graphite comes from high-purity material. It has a low coefficient of thermal expansion, good heat resistance and chemical resistance. In the past 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. It is mainly used for the following aspects.
(1) Heater to heat polysilicon ingots
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 a “darling” in 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 nuclear reactors that use gas cooling, it must be resistant to deformation and radiation stress. Therefore, a modular high temperature gas cooled reactor has been proposed. Modern ultra-high temperature reactors are characterized by high power density at high temperature. This raises the bar for new graphite materials. They must be of good quality, low cost, have a high radiation damage tolerance and homogenize the product.
Nuclear fusion reactor.
Graphite’s special properties also play an important role in nuclear fusion. It can greatly reduce the metal particles in the material’s plasma, and therefore plays an important 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 pulsation effect. 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 drawbacks. 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.
(1) Environmental protection as a field.
The hydrophobicity and lipophilicity of expanded graphite allows it to selectively remove nonaqueous solutions in water. This feature is commonly used to remove slicks of oil from the sea surface. A large amount of oil can be absorbed by this product due to its molecular composition. It can be aggregated in blocks and float on water. After oil removal, it can also be recycled or reused. Expanded graphite, in addition to its selective adsorption, has an inhibitory impact on air pollution. This includes the adsorption and removal of carbon dioxide.
The flexible graphite made of expanded graphite is used to seal materials.
4. Graphite fluoride
Graphite fluoride, a high-tech material with high-performance and high-efficiency, is currently being researched around the globe. It has excellent quality and performance, and is widely used as a functional material.
(1) It is used as a releaser.
Graphite-fluoride has a low surface energy, which makes it a good release agent for metal moulds.
Fluorinated Graphite, with its low interlayer energy and low surface energy as well as good chemical and thermal properties, has outstanding lubricating characteristics and is ideal for harsh conditions like high temperature, pressure, corrosive materials and high load.
Batteries Raw Materials
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.
Graphene has a hexagonal honeycomb-like lattice made of carbon atoms, and sp2 hybrid orbitals. This is a two-dimensional, one-atom thick material. It is the most durable and hard nanomaterial ever found.
The special arrangement of its atomic 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.
The rapid movement electrons of this material, which is conductive, allows for its use in the future as a replacement for silicon, such as in 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.