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Flake graphite, or natural or simply graphite, is a unique material with various applications in various industries. Characterized by its high chemical stability, excellent electrical conductivity, and exceptional thermal and mechanical properties, flake graphite has become crucial in numerous fields.

(Flake Graphite)

Properties of Flake Graphite

Flake graphite is a naturally occurring mineral primarily composed of carbon. It has a hexagonal crystal construction and typically exists as platelets or flakes. The size and shape of these flakes can vary depending on the causation and processing methods. Flake graphite is highly resistant to acids, alkalis, and other chemicals, making it suitable for extreme environments. It also has fantastic thermal and electrical conductivity, making it suitable for heat sinks, electrodes, and other electronic applications.

Applications of Flake Graphite

  1. Lubricants: Flake graphite is widely used as a lubricant in various applications. It provides excellent lubrication and wear resistance, making it suitable for engines, gearboxes, and other moving parts. Graphite-based lubricants are also used to produce steel, aluminum, and other metals.
  2. Refractories: Flake graphite produces refractory and heat-resistant materials in high-temperature employ such as furnaces, kilns, and firebricks. Graphite-based refractories provide excellent thermal conductivity and resistance to corrosion and erosion.
  3. Electrodes: Flake graphite is used as an electrode material in various electrochemical processes, such as the production of chlorine, caustic soda, and cathodic protection. It has fantastic electrical conductivity and chemical stability, making it suitable for these applications.
  4. Brake pads:Flake graphite is commonly used as a friction material in vehicle brake pads. It provides good wear resistance and consistent friction properties, ensuring effective braking performance.

Production of Flake Graphite

  1. Mining: Firstly, extract mineral rocks containing graphite from underground. These ore rocks are usually buried in shallower strata and are easy to mine.
  2. Ore crushing: A crusher crushes The mined ore into small pieces for subsequent processing.
  3. Grinding and classification: The crushed ore is ground into fine powder by a grinding machine, and different particle sizes of graphite powder are separated by classification equipment. This step aims to extract pure graphite while meeting the conditions of different application fields for graphite particle size.
  4. Flotation: Based on grinding and classification, graphite is separated from other minerals using a flotation machine’s physical properties and differences between graphite and other impurities. Various chemical reagents are usually used in the flotation process to assist in the separation and purification of graphite.
  5. Purification and calcination: Graphite may still contain some impurities after flotation, and further purification treatment is needed; this is usually achieved through chemical dissolution, high-temperature calcination, or other physical or chemical methods. The purified graphite is more pure and more suitable for high-end application fields.
  6. Processing and packaging: Finally, the purified graphite is processed and packaged according to market demand and customer requirements. Processing may include grinding, crushing, sieving, etc., to obtain graphite products with different particle sizes and shapes. Packaging ensures the safety and stability of the product during transportation and storage.
  7. Product classification: The final float graphite product is classified into various grades based on its purity, particle size, and other physical properties. Different graphite grades are suitable for applications such as batteries, lubricants, refractory materials, etc.
(Flake Graphite)

Importance of Flake Graphite

The importance of flake graphite cannot be overstated. It is crucial in numerous industries due to its unique properties and wide range of employees. From lubricating engines to producing refractories, electrodes, and brake pads, flake graphite has become an essential component today. Its adaptability to different applications highlights its significance in various fields and demonstrates its value in our industrial society.

High-quality graphite supplier

Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a globally recognized manufacturer and supplier of compounds with more than 12 years of expertise in the highest quality nanomaterials and other chemicals. The company develops a variety of powder materials and chemicals. Provide OEM service. If you need Flake Graphite, please feel free to contact us.


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