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

    Nonporous Ceramic Alumina Multiple-Bore Tubes

    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Multiple-Bore Tubes, 2 Bores.
    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Multiple-Bore Tubes, 4 Bores.

    2 Bores

    4 Bores

    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.
    Temp.
    6" Lg.
    18" Lg.
    24" Lg.
    No. of
    Bores
    OD
    ID
    Color
    Min.
    Max.,
    ° F
    Fabrication
    Dielectric Strength,
    V/mil
    Porosity
    Compressive
    Strength, psi
    Hardness
    Each
    Each
    Each
    20.063"0.016"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K1100000087175K12000000———0
    20.094"0.025"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K140000087175K710000087175K73000000
    20.109"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K150000087175K160000087175K1700000
    20.125"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K180000087175K190000087175K2100000
    20.125"0.040"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K2200000———087175K7900000
    20.125"0.04"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 83———087175K7700000———0
    20.156"0.052"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K230000087175K240000087175K2500000
    20.188"0.040"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K260000087175K2700000———0
    20.188"0.047"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K2900000———0———0
    20.188"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K330000087175K830000087175K8400000
    20.200"0.052"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K340000087175K3500000———0
    20.240"0.078"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K410000087175K420000087175K4300000
    20.250"0.063"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K370000087175K380000087175K3900000
    40.062"0.016"Off-WhiteNot Rated3,180Fired3200%384,000Rockwell C7187175K43300000———0———0
    40.094"0.020"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K5100000———0———0
    40.109"0.020"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K540000087175K550000087175K5600000
    40.188"0.031"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K570000087175K910000087175K9300000
    40.188"0.047"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K580000087175K590000087175K6100000
    40.219"0.050"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K620000087175K630000087175K6400000
    40.258"0.078"WhiteNot Rated3,075Fired2200%300,000Rockwell 45N 8387175K650000087175K660000087175K6700000
     
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