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    35 Products
    About Composites
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    Compare our offering of composites to find the right material for you.

    Nonporous Ceramic Alumina Sheets and Bars

    Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.
    Sheets
    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Sheets and Bars.
    Temp.
    Thk.
    Thk. Tolerance
    Wd.
    Lg.
    Min.
    Max.,
    ° F
    Dielectric Strength,
    V/mil
    Color
    Fabrication
    Performance
    Porosity
    Compressive
    Strength, psi
    Each
    0.010"-0.001" to 0.001"4 1/2"4 1/2"Not Rated3,100250WhiteFiredElectrically Insulating0%300,0008462K42000000
    0.015"-0.002" to 0.002"4 1/2"4 1/2"Not Rated2,910210WhiteFiredElectrically Insulating0%300,0008462K2400000
    0.020"-0.002" to 0.002"4 1/2"4 1/2"Not Rated2,910210WhiteFiredElectrically Insulating0%300,0008462K2600000
    0.025"-0.006" to 0.006"4 1/2"4 1/2"Not Rated3,100250WhiteFiredElectrically Insulating0%300,0008462K4300000
    0.030"-0.003" to 0.003"4 1/2"4 1/2"Not Rated2,910210WhiteFiredElectrically Insulating0%300,0008462K2700000
    0.035"-0.004" to 0.004"4 1/2"4 1/2"Not Rated2,910210WhiteFiredElectrically Insulating0%300,0008462K28000000
    0.040"-0.004" to 0.004"4 1/2"4 1/2"Not Rated2,910210WhiteFiredElectrically Insulating0%300,0008462K2300000
    0.060"-0.002" to 0.002"4 1/2"4 1/2"Not Rated3,100250WhiteFiredElectrically Insulating0%300,0008462K45000000
    0.080"-0.002" to 0.002"4 1/2"4 1/2"Not Rated3,100250WhiteFiredElectrically Insulating0%300,0008462K51000000
    0.100"-0.008" to 0.008"4 1/2"4 1/2"Not Rated3,100250WhiteFiredElectrically Insulating0%300,0008462K52000000
    Bars
    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Sheets and Bars.
    Temp.
    Thk.
    Thk. Tolerance
    Wd.
    Lg.
    Min.
    Max.,
    ° F
    Dielectric Strength,
    V/mil
    Color
    Fabrication
    Porosity
    Compressive
    Strength, psi
    Each
    0.125"-0.004" to 0.004"1/8"12"Not Rated3,075220WhiteFired0%300,00087125K62000000
    0.250"-0.008" to 0.008"1/4"12"Not Rated3,075220WhiteFired0%300,00087125K6400000

    Ultra-High-Temperature Easy-Machine Ceramic Alumina Sheets

    Image of Product. Front orientation. Ceramic. Ultra-High-Temperature Easy-Machine Ceramic Alumina Sheets.
    Commonly used in induction furnace components and hot glass handling, this ceramic alumina withstands higher temperatures than alumina bisque ceramic. The 99% alumina content makes it suitable for high-vacuum applications. It has excellent machinability. Material comes fired and is unaffected by water.
    Temp.
    3" × 3"
    6" × 6"
    12" × 12"
    24" × 24"
    Thk.
    Thk. Tolerance
    Color
    Min.
    Max.,
    ° F
    Fabrication
    Performance
    Dielectric Strength,
    V/mil
    Porosity
    Compressive
    Strength, psi
    Hardness
    Each
    Each
    Each
    Each
    1/32"-0.020" to 0.020"WhiteNot Rated3,000FiredEasy Machine, Ultra High Temperature7548%4,350Durometer 86D8978T7930000008978T79900000008978T8010000000———0
    1/16"-0.020" to 0.020"WhiteNot Rated3,000FiredEasy Machine, Ultra High Temperature7548%4,350Durometer 86D8978T794000008978T610000008978T8020000008978T7820000000
    1/8"-0.035" to 0.035"WhiteNot Rated3,000FiredEasy Machine, Ultra High Temperature7548%4,350Durometer 86D8978T795000008978T630000008978T8030000008978T783000000
    3/16"-0.040" to 0.040"WhiteNot Rated3,000FiredEasy Machine, Ultra High Temperature7548%4,350Durometer 86D8978T796000008978T80000008978T8040000008978T78400000000
    1/4"-0.050" to 0.050"WhiteNot Rated3,000FiredEasy Machine, Ultra High Temperature7548%4,350Durometer 86D8978T797000008978T650000008978T8050000008978T78500000000
    1/2"-0.065" to 0.065"WhiteNot Rated3,000FiredEasy Machine, Ultra High Temperature7548%4,350Durometer 86D8978T7980000008978T670000008978T8060000008978T78600000000
     
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