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Overview of graphite powder
Graphite powder is just one type of graphite in powder form that retains all the primary and secondary properties inherent in graphite.
Graphite is an allotrope of carbon. It is gray-black and opaque solid. It is greasy and stains the paper.
Its hardness is 1-2, and with the increase of impurities in the vertical direction, the hardness increases to 3-5. The specific gravity is 1.9-2.3. The specific surface area is concentrated in the range of 1-20m2/g. Under the condition of isolating oxygen, its melting point is above 3000 ℃, which is one of the most high temperature resistant minerals. It conducts electricity and heat.
Good chemical stability, corrosion resistance, not easy to react with acid, alkali and other reagents. Graphite burns in oxygen to generate carbon dioxide, which can be oxidized by strong oxidants such as concentrated nitric acid and potassium permanganate.
There is no pure graphite in nature, and it often contains impurities such as SiO2, Al2O3, FeO, CaO, P2O5, and CuO. These impurities often appear in the form of minerals such as quartz, pyrite, and carbonate. In addition, there are gas components such as water, asphalt, CO2, H2, CH4, and N2. Therefore, for the analysis of graphite, in addition to the determination of the fixed carbon content, the content of volatiles and ash must also be determined at the same time.
Graphite powder is an excellent dry lubricant but has been shown to corrode aluminium when moisture may be present. At this time, graphite can be replaced by molybdenum disulfide MoS2 powder.
Application of graphite powder
It is used as a mold release lubricant in the production of catalysts in the fertilizer industry.
Graphite powder has the characteristics of high temperature resistance and high lubricity, and can be used as a high temperature resistant lubricant substrate and a corrosion resistant lubricant substrate.
It can be used as powder metallurgy mold release agent, metal alloy raw material and lubricant in cable production.
It is used to make carbon film resistors, conductive dry molds and prepare conductive coatings.
Used as filler or performance improver for rubber, plastics and various composite materials to improve wear resistance, pressure resistance or electrical conductivity of materials.
Natural graphite has been used as a marking material for common pencils, zinc-carbon batteries, motor brushes and various professional applications.
A new application for nuclear grade graphite is ultra-high temperature reactors (UHTR) and next-generation nuclear power plants (NGNP).
Graphite powder price
The price of graphite powder varies randomly with factors such as production cost, transportation cost, international situation, exchange rate, supply and demand of graphite powder market. Tanki New Materials Co.,Ltd aims to help industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for graphite powder products, please feel free to contact me for the latest price of graphite powder products.
Graphite powder supplier
As a global graphite powder supplier, Tanki New Materials Co.,Ltd has extensive experience in the performance, application and cost-effective manufacturing of advanced and engineered materials. The company has successfully developed a series of powder materials (including oxides, carbides, nitrides, single metals, etc.), high-purity targets, functional ceramics and structural devices, and provides OEM services.
|Spherical Graphite Properties|
|Other Names||graphite powder, spherical graphite powder|
|Melting Point||3652-3697 °C|
|Boiling Point||4200 °C|
|Solubility in H2O||N/A|
|Tensile Strength||18 MPa (Ultimate)|
|Thermal Conductivity||6.0 W/m-K|
|Thermal Expansion||4.9 µm/m-K|
|Young's Modulus||21 Gpa|
|Spherical Graphite Health & Safety Information|
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