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    Material
    Material
    Glass
    Shape
    Shape
    BallMicrosphere
    System of Measurement
    System of Measurement
    Inch
    Color
    Color
    Clear
    Sphericity
    Sphericity
    99.90%
    Weight
    Weight
    1 oz.
    2 qt.
    Density
    Density
    0.08 lbs./cu. in.
    Maximum Temperature
    Maximum Temperature
    250° to 499° F
    Hardness
    Hardness
    Knoop 420
    Thermal Conductivity
    Thermal Conductivity
    1.2 Btu/hr. × in./sq.
    ft./°F @ 212° F
    Minimum Temperature
    Minimum Temperature
    Not Rated
    Modulus of Elasticity
    Modulus of Elasticity
    64 KN/mm2
    Refractive Index
    Refractive Index
    1.47
    Fabrication
    Fabrication
    Annealed
    Clarity
    Clarity
    Clear
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