The hexagonal crystal system contains natural crystalline graphite. This graphite has the appearance of fish phosphorus. It exhibits good resistance to heat, temperature, electric conductivity, heat conduction and plasticity.
Flake graphite can be found in complete crystals or thin flakes. They also have excellent chemical and physical properties.
Natural Flake Graphite Application
Flake graphite has a wide range of applications, including advanced refractories in the metalurgical industry and in coatings. Magnesia carbon bricks, and crucibles are examples. Stabilizers in the military, desulfurization accelerators, pencil leads, light-industry carbon brushes, electrolytes for the battery, catalysts, etc.
A graphite oil can be made by intensively processing flake graphite. This can be used for lubricants and mold release agents as well as wire drawing agents and conductive coatings. This process can also make expanded graphite which is used in flexible graphite products like flexible graphite seals, flexible graphite-composite products and so on.
Flake graphite, a functional additive to coatings is used primarily for fire-resistant and anti-corrosion coatings.
Anti-corrosion material: The anti-rust primer is made with natural phosphorous flake Graphite and carbon Black, talcum Powder, and oil. It has excellent resistance to solvents and chemicals. Chemical pigments, such as zinc yellow, can be added to improve the protection against rust.
The fireproof filler for natural phosphorous flake graphite (or expandable graphite) is the chemically or electrochemically treated raw materials of natural graphite. The volume of expandable graphite increases rapidly under heat, up to 300 times more than the flame. It also generates expansions which may isolate the flame or stop the spread. It is non-combustible, flexible, strong, and resistant to heat.
Flake graphite is a carbon-based, conductive material that can be used as a filler or a component of composite conductive materials for coatings. Due to the high amount of graphite particles added, coating performance and ease of application may be compromised. Therefore, we take measures to increase the conductivity of graphite as well as reduce the amount graphite flake added.
This short-cut fibre material is an solvent-free thick-film conductive coat with functional fillers. It has characteristics such as anti-corrosive medium penetration and low curing residue stress. The coating also resists matrix deformation and cracking. This coating can be used for long-term static electricity conduction. The inner wall of oil storage tanks can be coated with natural phosphorous flake graphite.
Reports indicate that the electroless plating technique is used for coating graphite powder in metals like nickel, silver and copper to make composite conductive filleders. They are used as conductive coatings with a 30% conductivity.
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