SHOWA DENKO CARBON, INC. Showa Denko Carbon, Inc.
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The production of synthetic graphite uses two basic raw materials: calcined petroleum needle coke and coal tar pitch.  The manufacturing process is a continuous 24-hour operation that takes 6-8 weeks.  It involves six distinct steps:



  1. Mill/Mix/Form
  2. Bake
  3. Impregnate
  4. Rebake
  5. Graphitize
  6. Machine