Extruded Graphite blocks and graphite rods

Extruded Graphite blocks and graphite rods

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Extruded graphite is a high-quality, isotropic graphite material manufactured through an advanced process where a mixture of fine graphite powder and binder is forced through a die under high pressure, followed by high-temperature baking and graphitization. This method produces solid blocks and rods with a uniform, fine-grained structure and consistent physical properties in all directions.

The extrusion process allows for the efficient production of long-length rods and large blocks with excellent dimensional consistency along the length. It is the material of choice for applications requiring a reliable balance of mechanical strength, thermal conductivity, and machinability.


  • The controlled extrusion and baking process ensures highly uniform density and isotropic properties throughout the entire block or rod. This translates to predictable and repeatable behavior under thermal and electrical stress, crucial for process stability and quality control.

  • Our extruded graphite offers an optimal balance of strength and softness. It machines smoothly with conventional tools, producing manageable chips rather than clouds of fine dust. This results in cleaner operation, better dimensional accuracy for complex parts, and extended tool life.

  • The extrusion grain orientation provides excellent longitudinal strength. Our rods and blocks maintain straightness and structural integrity even in longer dimensions, reducing breakage risk during transport, installation, and use.

  • The fine, uniform grain structure of our extruded graphite provides good thermal shock resistance. While all graphite oxidizes, our consistent density allows for more predictable and even oxidation, and serves as an excellent base for high-quality oxidation-protective coatings when required.

Applications

  • Used to machine graphite crucibles, boats/dish, molds, rotor and shaft, launder, graphite densener and so on.

  • Used as structural material in high temperature furnace.

  • Used as blank materials for machined graphite parts in environment of strong acid, strong alkali and strong erosion. Such as industries of rare earth, chemicals and so on.

  • Used to machine graphite electrodes.

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product Name: Extruded Graphite blocks and graphite rods