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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 Rods 99.8% Alumina - The Heat Treat Shop

    Ceramic Rods 99.8% Alumina

    Protechthermal
    $22.00 - $178.00
    $22.00 - $178.00
    $22.00 - $178.00
    $22.00
    in 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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    $22.00 - $178.00
    $22.00 - $178.00
    $22.00 - $178.00
    $22.00
  • Ceramic Top Hat Washer .562" X 1" Tall X .33"ID X .5"OD 99.8% Alumina - The Heat Treat Shop

    Ceramic Top Hat Washer .562" X 1" Tall X .33"ID X .5"OD 99.8% Alumina

    Protechthermal
    $8.00 - $8.00
    $8.00
    $8.00 - $8.00
    $8.00
    in stock

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

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    $8.00 - $8.00
    $8.00
    $8.00 - $8.00
    $8.00
  • Ceramic Washers 1/2" THK X 7/16"ID X 1"OD 99.8% Alumina - The Heat Treat Shop

    Ceramic Washers 1/2" THK X 7/16"ID X 1"OD 99.8% Alumina

    Protechthermal
    $8.00 - $8.00
    $8.00
    $8.00 - $8.00
    $8.00
    in stock

    Vacuum Furnace Ceramic washer. All washers are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. Vacuum Fu...

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    $8.00 - $8.00
    $8.00
    $8.00 - $8.00
    $8.00
  • Ceramic Washers 1/4"THK X 7/16" ID X 1-1/2"OD 99.8% Alumina - The Heat Treat Shop

    Ceramic Washers 1/4"THK X 7/16" ID X 1-1/2"OD 99.8% Alumina

    Protechthermal
    $10.00 - $10.00
    $10.00
    $10.00 - $10.00
    $10.00
    in stock

    Vacuum Furnace Ceramic washer. All washers are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. Vacuum Fu...

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    $10.00 - $10.00
    $10.00
    $10.00 - $10.00
    $10.00
  • Ceramic Washers 1/4" THK 2"OD x 1"ID 99.8% Alumina - The Heat Treat Shop

    Ceramic Washers 1/4" THK 1-3/4"OD x 1"ID 99.8% Alumina

    The Heat Treat Shop
    $14.50 - $14.50
    $14.50
    $14.50 - $14.50
    $14.50
    in stock

    Vacuum Furnace Ceramic washer. All washers are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. Vacuum Fu...

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    $14.50 - $14.50
    $14.50
    $14.50 - $14.50
    $14.50
  • Ceramic Tubes 5/8"ID x 7/8"OD x 13" Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 5/8"ID x 7/8"OD x 13" Long 99.8% Alumina

    The Heat Treat Shop
    $168.00 - $168.00
    $168.00
    $168.00 - $168.00
    $168.00
    in stock

    -99.8% Alumina -Options for cutting to specific length available

    $168.00 - $168.00
    $168.00
    $168.00 - $168.00
    $168.00
  • Ceramic Tubes 1"ID x 1-1/4"OD x 12"Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 1"ID x 1-1/4"OD x 12"Long 99.8% Alumina

    The Heat Treat Shop
    $52.00 - $189.00
    $52.00 - $189.00
    $52.00 - $189.00
    $52.00
    Only 3 left!

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

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    $52.00 - $189.00
    $52.00 - $189.00
    $52.00 - $189.00
    $52.00
  • Ceramic Tubes 2"ID x 2-1/4"OD x 3" Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 2"ID x 2-1/4"OD x 3" Long 99.8% Alumina

    The Heat Treat Shop
    $45.00 - $45.00
    $45.00
    $45.00 - $45.00
    $45.00
    Only 2 left!

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

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    $45.00 - $45.00
    $45.00
    $45.00 - $45.00
    $45.00
  • Ceramic Tubes 2-1/4”ID x 2-1/2”OD x 8” Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 2-1/4”ID x 2-1/2”OD x 8” Long 99.8% Alumina

    Protechthermal
    $165.00 - $165.00
    $165.00
    $165.00 - $165.00
    $165.00
    in stock

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

    View full details
    $165.00 - $165.00
    $165.00
    $165.00 - $165.00
    $165.00
  • Ceramic Tubes 2-1/2”ID x 2-3/4”OD x 8” Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 2-1/2”ID x 2-3/4”OD x 8” Long 99.8% Alumina

    Protechthermal
    $185.00 - $185.00
    $185.00
    $185.00 - $185.00
    $185.00
    in 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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    $185.00 - $185.00
    $185.00
    $185.00 - $185.00
    $185.00
  • Ceramic Tubes 2-3/4”ID x 3”OD x 8” Long 99.8% Alumina - The Heat Treat Shop
    Sold out

    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...

    View full details
    $498.00 - $498.00
    $498.00
    $498.00 - $498.00
    $498.00
    Sold out
  • Ceramic Tubes 3-1/8”ID x 3-1/2”OD x 8” Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 3-1/8”ID x 3-1/2”OD x 8” Long 99.8% Alumina

    Protechthermal
    $299.00 - $299.00
    $299.00
    $299.00 - $299.00
    $299.00
    in 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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    $299.00 - $299.00
    $299.00
    $299.00 - $299.00
    $299.00
  • Ceramic Tubes 11/16" OD x 7/16" ID x 9/16"LG 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 11/16" OD x 7/16" ID x 9/16"LG 99.8% Alumina

    The Heat Treat Shop
    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00
    in stock

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

    View full details
    $5.00 - $5.00
    $5.00
    $5.00 - $5.00
    $5.00
  • Ceramic Tubes 3-5/8"ID x 4"OD x 6"Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 3-5/8"ID x 4"OD x 6"Long 99.8% Alumina

    The Heat Treat Shop
    $489.00 - $489.00
    $489.00
    $489.00 - $489.00
    $489.00
    Only 2 left!

    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
    $489.00 - $489.00
    $489.00
    $489.00 - $489.00
    $489.00
  • Ceramic Support Standoffs 99.8% Alumina - The Heat Treat Shop

    Ceramic Support Standoffs 99.8% Alumina

    Protechthermal
    $28.00 - $31.00
    $28.00 - $31.00
    $28.00 - $31.00
    $28.00
    in stock

    Vacuum Furnace Ceramic element support stand offs. 99.8% Alumina Intended use for high temperature applications like heat treat furnaces to suppor...

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    $28.00 - $31.00
    $28.00 - $31.00
    $28.00 - $31.00
    $28.00
  • 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 4-1/8”ID x 4-1/2” OD x 18” Long 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 4-1/8”ID x 4-1/2” OD x 18” Long 99.8% Alumina

    The Heat Treat Shop
    $1,135.00 - $1,135.00
    $1,135.00
    $1,135.00 - $1,135.00
    $1,135.00
    In stock

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

    View full details
    $1,135.00 - $1,135.00
    $1,135.00
    $1,135.00 - $1,135.00
    $1,135.00
  • Ceramic S Hook & Rectangular Washer - The Heat Treat Shop

    Ceramic S Hook & Rectangular Washer

    The Heat Treat Shop
    $12.00 - $12.00
    $12.00
    $12.00 - $12.00
    $12.00
    in stock

    Morgan Advanced Ceramics -4.1875" S Hook T/C-538-3 -1/8" THK Rectangular Washer T/C-536-1  

    $12.00 - $12.00
    $12.00
    $12.00 - $12.00
    $12.00
  • Ceramic Washers 3/16" THK 2"OD x 1"ID 99.8% Alumina - The Heat Treat Shop

    Ceramic Washers 3/16" THK 2"OD x 1"ID 99.8% Alumina

    The Heat Treat Shop
    $16.50 - $16.50
    $16.50
    $16.50 - $16.50
    $16.50
    in stock

    Vacuum Furnace Ceramic washer. All washers are 99.8% Alumina and intended use for high temperature applications like heat treat furnaces. Vacuum Fu...

    View full details
    $16.50 - $16.50
    $16.50
    $16.50 - $16.50
    $16.50
  • Ceramic Tubes 7/16"ID x 11/16"OD x 5"LG 99.8% Alumina - The Heat Treat Shop
    Sold out

    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 20.50"LG 99.8% Alumina - The Heat Treat Shop

    Ceramic Tubes 1.625"ID x 1.875"OD x 20.50"LG 99.8% Alumina

    The Heat Treat Shop
    $49.00 - $49.00
    $49.00
    $49.00 - $49.00
    $49.00
    Only 4 left!

    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
  • Ceramic Top Hat Washer .75" X 1.125" Tall X .5"ID X 1"OD 99.8% Alumina - The Heat Treat Shop
    Ceramic Top Hat Washer .75" X 1.125" Tall X .5"ID X 1"OD 99.8% Alumina - The Heat Treat Shop

    Ceramic Top Hat Washer .75" X 1.125" Tall X .5"ID X 1"OD 99.8% Alumina

    Protechthermal
    $18.00 - $18.00
    $18.00
    $18.00 - $18.00
    $18.00
    Only 2 left!

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

    View full details
    $18.00 - $18.00
    $18.00
    $18.00 - $18.00
    $18.00
  • Ceramic Tubes 1.625"ID x 1.875"OD x 1.25"LG 99.8% Alumina - The Heat Treat Shop
    Sold out

    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

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