Graphite Braiding Packing

Graphite Braiding Packing is an interlock braid of pure flexible graphite yarn, reinforced with threads of cotton or other materials. It is suitable for sealing under different media, circumstances, temperatures, and pressure.

Graphite Braiding Packing is unique and universal sealing packing to which reinforcing fibers can be added according to customer’s demands.  It can be widely used in various industries like refinery, machinery, gasket and sealing, etc.

Why Graphite?
Graphite has several advantages over other materials. It is resistant to thermal shock. It is the only material in which mechanical properties increase with temperature. It has a low CTE for geometrical stability. It is easily machined. It does not melt but sublimes at very high temperature (3,400ºC), and finally, its density is lower (five times less than copper) which means lighter electrodes. Graphite removes material better than copper or copper-tungsten while wearing slower. The wear rate tends to diminish as the discharge increases, unlike copper, whose wear increases at higher currents. Therefore, graphite is suited for the machining of large electrodes since working with a high current intensity provides decreased roughing time.

Although graphite is prone to abnormal discharge, this can be eliminated through quality flushing, and lowering the intensity of discharge during negative polarity machining. However, as a result of this tradeoff, machining tungsten carbides is more difficult than with copper-tungsten electrodes. Also, since graphite is a ceramic, it is sensitive to mechanical shock, and consequently must be handled and machined with care.

APPLICATIONS

  • Used in pumps and valves in petrochemical/refining.
  • Hydrocarbon processing.
  • Pulp and paper’s chemical processing.
  • Many other industrial applications such as: the equipment and devices  in pharmaceutical industry.


Graphite Braiding Packing Properties

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Graphite Braiding Packing Standard Sizes

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