McMaster-Carr logo
    Clear All
    System of Measurement
    System of Measurement
    Metric
    Diameter
    Diameter
    Show
    20mm
    Shape
    Shape
    Ball
    Material
    Material
    Ceramic
    Maximum Temperature
    Maximum Temperature
    2,000° F or greater
    Clarity
    Clarity
    Opaque
    Compressive Strength
    Compressive Strength
    300,000 psi
    Density
    Density
    0.14 lbs./cu. in.
    Dielectric Strength
    Dielectric Strength
    220 V/mil
    Fabrication
    Fabrication
    Fired
    Flexural Strength
    Flexural Strength
    54,000 psi
    Modulus of Elasticity
    Modulus of Elasticity
    0.054 ksi × 106
    Porosity
    Porosity
    0%
    Refractive Index
    Refractive Index
    1.78
    Sphericity
    Sphericity
    99.99%
    Tensile Strength
    Tensile Strength
    click to learn more about
    31,000 psi
    Thermal Conductivity
    Thermal Conductivity
    194.5 Btu/hr. × in./sq. ft./°F @
    212° F
    Color
    Color
    White
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Minimum Temperature
    Minimum Temperature
    Not Rated
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    Hardness
    Hardness
    Rockwell 45N 83
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    1 Product