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Product Description

Overview of medium grain loose graphite Pyrolytic graphite expandable graphite

Graphite powder, a form of carbon, is a soft, black, greasy-feeling powder composed of minute, flexible crystalline flakes. It is a naturally occurring mineral but can also be synthesized industrially. Known for its unique electrical and thermal conductivity, lubricity, and resistance to high temperatures, graphite powder finds extensive applications across various industries due to its multifaceted properties.

Features of medium grain loose graphite Pyrolytic graphite expandable graphite

  1. High Electrical Conductivity: Graphite powder is an excellent conductor of electricity, making it suitable for use in batteries, electrodes, and other electrical applications.

  2. Thermal Conductivity: It efficiently conducts heat, useful in heat sinks and applications where heat transfer is crucial.

  3. Lubricity: The flake-like structure of graphite provides natural lubrication, reducing friction between surfaces without leaving a sticky residue.

  4. Chemical Stability: Resistant to most acids and alkalis, graphite maintains its properties even in harsh chemical environments.

  5. High Temperature Resistance: Graphite can withstand extreme temperatures without losing its structural integrity, making it ideal for high-heat applications.

  6. Anisotropic Properties: Its properties vary along different crystal axes, enabling tailored applications that exploit these directional characteristics.


medium grain loose graphite Pyrolytic graphite expandable graphite

(medium grain loose graphite Pyrolytic graphite expandable graphite)

Parameter of medium grain loose graphite Pyrolytic graphite expandable graphite

The medium grade loose graphite used in pyrolytic graphite expansionable graphite is typically characterized by its carbon content ranging from 3% to 5%, with a lower carbon content than high-grade loose graphite used in this type of graphite. Pyrolytic graphite is a natural graphite that reacts with oxygen in the presence of heat and pressure, creating heat, gas, and carbon dioxide. It expands when it comes into contact with water or air. This process is commonly known as exfoliation, where small particles are removed from the surface of the graphite sample, giving rise to the larger carbon particles. The parameter that can affect the specific properties of a pyrolytic graphite expandable graphite is the ratio of carbon to oxygen in the mix. A higher ratio of carbon to oxygen will result in larger carbon particles, while a lower ratio will result in smaller particles. To optimize the properties of your particular pyrolytic graphite expandable graphite, you may need to experiment with different ratios to find the best balance between carbon content and size of carbon particles. Additionally, you may want to consider adjusting the cooling method or temperature in your production process to control the amount of gas generated during the expansion process.

medium grain loose graphite Pyrolytic graphite expandable graphite

(medium grain loose graphite Pyrolytic graphite expandable graphite)

Applications of medium grain loose graphite Pyrolytic graphite expandable graphite

  1. Metallurgical and Foundry Industry: As a lining for crucibles and molds due to its high melting point and low reactivity.

  2. Battery Manufacturing: Used in lithium-ion batteries as a conductive additive and in lead-acid batteries as a part of the electrode mixture.

  3. Lubricants: Added to greases and oils to enhance lubrication properties, especially in high-temperature or chemically aggressive environments.

  4. Sealants and Gaskets: Incorporated into sealing materials to improve heat resistance and self-lubrication.

  5. Pencil Leads and Art Supplies: Pure graphite powder or mixed with clay forms the core of pencils and is used in various artistic mediums.

  6. Electrical and Electronic Applications: As a component of electrodes, conductive coatings, and as a filler in polymer composites for EMI/RFI shielding.

Company Profile

Graphite-Corp is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality graphite powder and graphene products.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory, and equipped with advanced testing equipment and after-sales customer service center.

If you are looking for high-quality graphite powder and relative products, please feel free to contact us or click on the needed products to send an inquiry.

Payment Methods

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment

It could be shipped by sea, by air, or by reveal ASAP as soon as repayment receipt.

FAQs of medium grain loose graphite Pyrolytic graphite expandable graphite

Q: Is medium grain loose graphite Pyrolytic graphite expandable graphite toxic? A: medium grain loose graphite Pyrolytic graphite expandable graphite is generally considered safe to handle. However, inhalation of fine particles can cause respiratory irritation, so appropriate safety measures should be taken during handling.

Q: How is medium grain loose graphite Pyrolytic graphite expandable graphite different from graphene? A: Graphene is a single layer of carbon atoms arranged in a hexagonal lattice, whereas medium grain loose graphite Pyrolytic graphite expandable graphite consists of many layers of these sheets bonded together. Graphene is much thinner and exhibits different properties.

Q: Can medium grain loose graphite Pyrolytic graphite expandable graphite conduct electricity underwater? A: Yes, graphite is a good conductor of electricity even when submerged, making it suitable for underwater applications like marine coatings and submersible equipment.

Q: Is medium grain loose graphite Pyrolytic graphite expandable graphite flammable? A: Graphite itself is not flammable as it is a form of carbon. However, in certain circumstances, it can facilitate combustion by conducting heat.

Q: How is medium grain loose graphite Pyrolytic graphite expandable graphite produced? A: Natural graphite is mined and then processed into powder through crushing, milling, and sometimes chemical treatments. Synthetic graphite is produced through high-temperature heating of carbonaceous materials in the absence of oxygen.

medium grain loose graphite Pyrolytic graphite expandable graphite

(medium grain loose graphite Pyrolytic graphite expandable graphite)

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