Corrosion Resistance of Refractories to Molten Glass

The corrosion resistance of a specimen (0.75" x 0.75" x 8.0") in contact with molten galss under dynamic, isothermal conditions is determined.  Known as the finger test, up to four specimens are attached to a rotating shaft that is lowered into molten glass (up to 1650°C).  Test duration is typically 24 or 48 hours.  Visual or quantitative analysis can be conducted on the corroded specimens.

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