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Product Description

Overview of Graphite powder polyurethane foam with expandable graphite fire retardant filler

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 Graphite powder polyurethane foam with expandable graphite fire retardant filler

  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.


Graphite powder  polyurethane foam with expandable graphite fire retardant filler

(Graphite powder polyurethane foam with expandable graphite fire retardant filler)

Parameter of Graphite powder polyurethane foam with expandable graphite fire retardant filler

The parameters for a graphite powder polyurethane foam with expandable graphite fire retardant filler would depend on the specific use case and desired performance. However, some common parameters that could be used to optimize the properties of this type of foam include: * Flame resistance: This parameter refers to the ability of the foam to withstand high temperatures and flames. A higher flame resistance will allow the foam to last longer and better in contact with the fuel. * Fire resistance: Another important parameter is the resistance of the foam to flames. This parameter is typically measured in atmospheres (MPa) or kilopascals (KPa), depending on the desired flame retardant strength. * Complier ratio: The ratio of the percent of polyurethane used in the foam to the percentage of graphite used in the powder is also an important factor in determining the fire retardant strength. A higher ratio will result in more effective protection against fires. * Weight loss: The weight of the foam can also be adjusted to fit the specific needs of the application. A lighter foam may require less weight and therefore offer better heat retention and fire resistance. It's worth noting that these are just general guidelines and the specific specifications may vary depending on the manufacturer's requirements and materials used.

Graphite powder  polyurethane foam with expandable graphite fire retardant filler

(Graphite powder polyurethane foam with expandable graphite fire retardant filler)

Applications of Graphite powder polyurethane foam with expandable graphite fire retardant filler

  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 Graphite powder polyurethane foam with expandable graphite fire retardant filler

Q: Is Graphite powder polyurethane foam with expandable graphite fire retardant filler toxic? A: Graphite powder polyurethane foam with expandable graphite fire retardant filler 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 Graphite powder polyurethane foam with expandable graphite fire retardant filler different from graphene? A: Graphene is a single layer of carbon atoms arranged in a hexagonal lattice, whereas Graphite powder polyurethane foam with expandable graphite fire retardant filler consists of many layers of these sheets bonded together. Graphene is much thinner and exhibits different properties.

Q: Can Graphite powder polyurethane foam with expandable graphite fire retardant filler 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 Graphite powder polyurethane foam with expandable graphite fire retardant filler 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 Graphite powder polyurethane foam with expandable graphite fire retardant filler 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.

Graphite powder  polyurethane foam with expandable graphite fire retardant filler

(Graphite powder polyurethane foam with expandable graphite fire retardant filler)

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