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Expandable Graphite

Flake graphite that has been intercalated with various forms of reagents. Upon heating, expandable flake will expand up to 300 times its volume, as a result of separation of graphene layers.

Characteristics  · Specifications


Percent Carbon

Min. 99 %

Particle Size Range

Size Varies



Silvery sheen and plate like particle morphology before heating. After heating - black worms.


  • Melt Cover
  • Oil Recovery Processes
  • Carbon Brushes & Parts
  • Seals & Gaskets
  • Intumescent Fire Retardants

Superior Graphite Products

Formula BT®