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What is the application of natural flake graphite?

Russian president demanded that exports of Russian gas to "unfriendly" countries be settled in rubles. The demand has raised concerns in Germany about possible supply disruptions and the impact on industry and households if utilities do not pay in robles. Europe gets about 40% of its gas from Russia. Last year, Europe imported about 155 billion cubic meters. Germany, Europe's largest economy, depends heavily on Russian gas.

The chief executive of Germany's E.ON said the German economy would face "significant damage, which should be avoided if possible" without Russian supplies. He also said it would take Germany three years to wean itself off Russian gas.  

In the event of a supply disruption, Germany's gas network regulator would prioritize home heating over industrial use, so energy-hungry manufacturers such as steelmakers would be the first to suffer, he said.

The volatile international situations will continue to affect the markets and prices of many commodities like the natural flake graphite.

Natural flake graphite  are widely used in advanced refractories and coatings in the metallurgical industry. Such as magnesia carbon bricks, crucibles, etc. Pyrotechnic material stabilizer in military industry, desulfurization accelerator in smelting industry, pencil lead in light industry, carbon brush in electrical industry, electrode in battery industry, catalyst in fertilizer industry, etc. After in-depth processing of flake graphite, graphite milk can be produced, which is used in lubricants, mold release agents, wire drawing agents, conductive coatings, etc. It can also produce expanded graphite, which is used as raw material for flexible graphite products, such as flexible graphite seals and flexible graphite composite products.

coating

As a functional filler of coatings, flake graphite is mainly used in anti-corrosion coatings, fire-retardant coatings and conductive coatings.

As an anti-corrosion material, it is an anti-rust primer made of carbon black, talc and oil, which has good chemical and solvent corrosion resistance; if chemical pigments such as zinc yellow are added to the formula, the anti-rust effect is better.

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Expandable graphite is used as a fireproof filler, which is a graphite interlayer compound obtained by chemical or electrochemical treatment with natural graphite flakes as raw materials. Under the condition of heat, the volume of expandable graphite expands rapidly (up to 300 times), which suffocates the flame, and at the same time generates expandable materials, which can isolate the flame, delay or interrupt the spread of the flame, and is non-flammable, with good flexibility and high surface energy. , the carbonized layer has good strength. However, the volume and amount of the expansion body should be selected appropriately. The test shows that 150um particles, 30% expansion ratio, and 5% dosage are the most suitable.

Graphite flakes can be directly used as carbon-based conductive fillers or made into composite conductive fillers for conductive coatings. However, due to the large amount of graphite flakes added, the performance of the coating will become brittle and its application will be limited. Therefore, measures should be taken to further improve the conductivity of graphite and effectively reduce the amount of graphite flakes added. The domestic Tianhua Chemical Machinery Research Institute has developed a high-temperature corrosion-resistant resin as the base material and large flake solid graphite flakes with strong electrostatic conductivity as the main aggregate, which has high body strength and good wear resistance.

The chopped fiber material with good resistance to deformation and cracking is a solvent-free thick-film conductive coating with functional fillers. The coating has the characteristics of anti-corrosion medium penetration, low curing residual stress, good resistance to matrix deformation and cracking, stable construction performance, and long-term static electricity conduction. It can be used for electrostatic conductive coating on the inner wall of crude oil storage tanks. According to data reports, electroless plating technology is used to coat graphite powder with metals, such as copper, nickel, silver, etc. to prepare composite conductive fillers, which are used in conductive coatings in an amount of 30%, which not only has good electrical conductivity, but also has further corrosion resistance. improve.

High-quality natural flake graphite manufacturer

Luoyang Moon & Star New Energy Technology Co., LTD, founded on October 17, 2008, is a high-tech enterprise committed to developing, producing, processing, selling, and technical services of lithium-ion battery anode materials. After more than ten years of development, the company has gradually developed into a diversified product structure with natural graphite, artificial graphite, composite graphite, intermediate phase and other harmful materials (silicon-carbon materials, etc.). The products are widely used in high-end lithium-ion digital power and energy storage batteries.

If you are looking for graphite or lithium battery anode material, click on the needed products and send us an inquiry:sales@graphite-corp.com.

 

 


Europe has been facing the gas shortage problem since the second half of 2021. The worsening situation in Russia and Ukraine has reduced Russian gas shipments to Europe, leading to a doubling of European gas prices. Energy shortages have sent electricity prices soaring. For these reasons, it is predicted that the price of the natural flake graphite will continue to increase.

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