CERAMTUFF™ Ceramic Blends

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CERAMTUFF™ ceramic composites are engineered blends of high-purity aluminum oxide and Silar® silicon carbide whiskers.  They are characterized by extreme hardness, outstanding compressive strength, and rigidity.  Parts made with CERAMTUFF™ materials offer exceptional fracture resistance, wear resistance, thermal shock resistance, and dimensional stability.  They are completely inert and can be used in the most demanding physical and chemical environments.

CERAMTUFF™ is offered in two grades:

  • HA9S: hot press-ready ceramic blend
    Applications include high performance ceramic cutting tools and ceramic wear parts requiring utmost fracture resistance.  Supplied without a binder for hot pressing.  Higher SiC whisker content for utmost fracture resistance.
  • A4AS: dry press-ready ceramic blend
    Applications include high performance ceramic wear parts, including dies, pipe liners, nozzles, and other critical process equipment.  Lower SiC whisker content for economical wear solution.

Typical CERAMTUFF™ properties

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Typically Used in These Applications:

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