reboil

technology

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occurrence in glassmaking

  • Figure 2: The irregular arrangement of ions in a sodium silicate glass.
    In industrial glass: The forehearth

    …are known as devitrification and reboil. Devitrification, or loss of the glassy state, entails the development of crystals when the molten glass happens to be subjected to temperatures within the shaded region of Figure 1. The most serious threat is the formation of quartz crystals in the throat and forehearth…

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