Choose a Category
    Material
    Material
    Glass
    Ceramic
    Fabrication
    Fabrication
    Annealed
    Fired
    Unfired
    Sintered
    Porosity
    Porosity
    0%
    2%
    7%
    48%
    Refractive Index
    Refractive Index
    1.47
    1.77
    1.78
    Edge Type
    Edge Type
    Straight
    Chamfered
    Clarity
    Clarity
    Clear
    Opaque
    Minimum Temperature
    Minimum Temperature
    -330° F
    -20° F
    Not Rated
    Compressive Strength
    Compressive Strength
    4,350 psi
    16,000 psi
    25,000 psi
    32,000 psi
    300,000 psi
    Specifications Met
    Specifications Met
    CPSC
    NFPA
    UL