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Ceramic Alumina

We carry a large variety of alumina ceramic products. Primarily we carry 99.8% pure alumina items like washers, tubes and rods. While alumina ceramic is known for being durable and able to withstand high temperatures up to 3000ºF, it also very effective acting as at electrical insulator. Smooth & nonporous our ceramic components can be found compatible with any brand of heat treat furnace in the industry.

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  • Ceramic Tubes 2-3/4”ID x 3”OD x 8” Long 99.8% Alumina - The Heat Treat Shop
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    Ceramic Tubes 2-3/4”ID x 3”OD x 8” Long 99.8% Alumina

    Protechthermal
    $498.00 - $498.00
    $498.00
    $498.00 - $498.00
    $498.00
    Out of stock

    Vacuum Furnace Ceramic tube insulators. All tubes are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. Va...

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    $498.00 - $498.00
    $498.00
    $498.00 - $498.00
    $498.00
    Sold out
  • Ceramic Tubes 2"ID x 2-1/4"OD x 8"LG 99.8% Alumina - The Heat Treat Shop
    Sold out

    Ceramic Tubes 2"ID x 2-1/4"OD x 8"LG 99.8% Alumina

    The Heat Treat Shop
    $145.00 - $145.00
    $145.00
    $145.00 - $145.00
    $145.00
    Out of stock

    Vacuum Furnace Ceramic tube insulators. All tubes are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. V...

    View full details
    $145.00 - $145.00
    $145.00
    $145.00 - $145.00
    $145.00
    Sold out
  • Ceramic Tubes 7/16"ID x 11/16"OD x 5"LG 99.8% Alumina - The Heat Treat Shop
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    Ceramic Tubes .4"ID x .700"OD x 4.5"LG 99.8% Alumina

    The Heat Treat Shop
    $49.00 - $49.00
    $49.00
    $49.00 - $49.00
    $49.00
    Out of stock

    Vacuum Furnace Ceramic tube insulators. All tubes are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. V...

    View full details
    $49.00 - $49.00
    $49.00
    $49.00 - $49.00
    $49.00
    Sold out
  • Ceramic Tubes 5/8"ID x 7/8"OD x 6" Long 99.8% Alumina - The Heat Treat Shop
    Sold out

    Ceramic Tubes 5/8"ID x 7/8"OD x 6" Long 99.8% Alumina

    The Heat Treat Shop
    $28.00 - $28.00
    $28.00
    $28.00 - $28.00
    $28.00
    Out of stock

    99.8% Alumina 6" Long 

    $28.00 - $28.00
    $28.00
    $28.00 - $28.00
    $28.00
    Sold out
  • Ceramic Tubes 1.625"ID x 1.875"OD x 1.25"LG 99.8% Alumina - The Heat Treat Shop
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    Ceramic Tubes 1.625"ID x 1.875"OD x 1.25"LG 99.8% Alumina

    The Heat Treat Shop
    $31.00 - $31.00
    $31.00
    $31.00 - $31.00
    $31.00
    Out of stock

    Vacuum Furnace Ceramic tube insulators. All tubes are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. V...

    View full details
    $31.00 - $31.00
    $31.00
    $31.00 - $31.00
    $31.00
    Sold out
  • Ceramic Tubes 1.25"ID x 1.5"OD x .5"LG 99.8% Alumina - The Heat Treat Shop
    Sold out

    Ceramic Tubes 1.25"ID x 1.5"OD x .5"LG 99.8% Alumina

    The Heat Treat Shop
    $21.00 - $21.00
    $21.00
    $21.00 - $21.00
    $21.00
    Out of stock

    Vacuum Furnace Ceramic tube insulators. All tubes are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. V...

    View full details
    $21.00 - $21.00
    $21.00
    $21.00 - $21.00
    $21.00
    Sold out

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