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

    Nonporous Ceramic Alumina Balls

    Image of Product. Front orientation. Ceramic. Nonporous Ceramic Alumina Balls.
    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.
    Dia.
    Dia. Tolerance
    Sphericity
    Percentage
    Color
    Min.
    Max.,
    ° F
    Fabrication
    Dielectric Strength,
    V/mil
    Porosity
    Compressive
    Strength, psi
    Hardness
    Each
    1/8"-0.0001" to 0.0001"99.9975%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K1100000
    3/16"-0.0001" to 0.0001"99.9975%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K120000
    1/4"-0.0001" to 0.0001"99.9975%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K130000
    5/16"-0.0001" to 0.0001"99.9975%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K140000
    3/8"-0.0001" to 0.0001"99.9975%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K150000
    1/2"-0.0001" to 0.0001"99.9975%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K160000
    5/8"-0.0010" to 0.0010"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K1700000
    3/4"-0.0010" to 0.0010"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K2300000
    1"-0.0010" to 0.0010"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K2500000
    3 mm-0.0001" to 0.0001"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K340000
    4 mm-0.0001" to 0.0001"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K350000
    16 mm-0.0001" to 0.0001"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K4300000
    20 mm-0.0001" to 0.0001"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K4500000
    25 mm-0.0001" to 0.0001"99.99%WhiteNot Rated2,000Fired220Not Rated300,000Rockwell 45N 839599K4600000
     
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