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Polymers & C.A.S.E. Materials

Graphite is used as an additive for improving lubrication, strength, and thermal / electrical conductivity. Graphite is added to phenolic resins, thermal set resins, epoxies, rubber, and polystyrene, and offers lubrication that improves wear characteristics of seals. Graphite also strongly increases thermal and electrical resistivity of Polymers. ThermoPURE™ and Signature™ graphites are high in purity, offer excellent thermal and electrical conductivity, and have unique lubrication properties. Processing these materials in Superior Graphite’s exclusive thermal purification process removes impurities such as quartz, silicon carbide, and iron that add friction points in seals.

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Signature™ (Graphite and Carbons)


The Signature™ family of graphites and carbon materials, in powder and granular form, includes crystalline flake and vein graphite, amorphous graphite, synthetic (artificial) graphite, along with calcined petroleum cokes. These materials are sourced from selected and qualified mines and sources from around the world.

Signature™ graphites and carbons are chosen to perform in the most challenging and in the simplest applications. These materials offer consistency and quality at an economical price.
ThermoPURE™ (Purified Graphites and Carbon)

ThermoPURE™ (Purified Graphites and Carbon)


Superior Graphite's ThermoPURE™ product line includes purified natural and synthetic graphite, as well as calcined petroleum coke. These materials are thermally modified using a patented continuous thermal purification process.

ThermoPURE™ products offer high purity and consistency resulting in "Superior" lubrication, thermal and electrical conductivity.