Industries Utilizing Graphite Products

Graphite products are applicable in a variety of industries, mainly due to their unique properties such as high temperature resistance, excellent conductivity, and chemical stability. Here are the primary industries and applications for graphite products:

1. Refractory Materials

One of the main uses of graphite products is in the production of refractory materials, which are capable of withstanding high temperatures. These include:

• Refractory Bricks: Such as magnesia-carbon bricks and alumina-carbon bricks used in continuous casting, steel billet molds, and protective covers for submerged nozzles in oil wells.
• Crucibles and Related Products: Including crucibles, flasks, plugs, and nozzles used in high-temperature applications.

2. Conductive Materials

Graphite’s excellent conductivity makes it ideal for use in the electrical industry:

• Electrodes and Brushes: Used in various electrical applications.
• Carbon Rods and Tubes: Employed in devices like mercury rectifiers.
• Graphite Gaskets and Telephone Components: Used for their conductivity and durability.
• Television Picture Tube Coatings: Utilizing graphite for its conductive properties.

3. Lubricating Materials

Graphite’s low friction coefficient and lubricating properties are leveraged in the mechanical industry:

• Lubricants: Used in piston rings, sealing rings, and bearings that transport corrosive media. Graphite lubricants are essential where traditional lubricants fail under high temperature and pressure conditions.
• Metal Processing: Graphite emulsions are used as lubricants in processes like wire drawing and tube drawing.

4. Corrosion-Resistant Materials

Graphite’s chemical stability allows it to resist corrosion, making it suitable for:

• Heat Exchangers and Reactors: Fabrication of equipment like condensers, combustion towers, absorption towers, coolers, heaters, filters, and pumps.
• Specially Processed Graphite: Used in various industrial applications due to its low permeability and good thermal conductivity.

5. Casting, Sanding, Molding, and High-Temperature Metallurgical Materials

Graphite’s low thermal expansion coefficient and ability to withstand rapid temperature changes make it ideal for:

• Molds: Used in hard alloy and powder metallurgy processes.
• Single Crystal Silicon Growth: Used in the production of containers, supports, clamps, and induction heaters.
• Vacuum Melting Components: Graphite insulating boards, bases, and elements in high-temperature resistance furnaces.

6. Anti-Scaling and Anti-Rusting Materials

Graphite is effective in preventing scaling and rusting:

• Boiler Scaling Prevention: Adding graphite powder to water can prevent scaling in boilers.
• Corrosion Protection: Graphite coatings on metal chimneys, roofs, bridges, and pipelines can prevent corrosion and rust.

These diverse applications highlight the versatility and essential nature of graphite products across various industrial sectors.