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Old 07-23-2018, 10:45 PM
Cecil McKenzie Cecil McKenzie is online now
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Corning glass

i met someone that has crates of Corning glass restaurant ware that he has no need for. He asked me if it cold be used in glass blowing. My initial reaction was no but later thought that it depended on the nature of that glass. i don't think it is Pyrex and it is not Corel ware. Any thoughts or insights if this stuff could be blown or fused. thanks.

Last edited by Cecil McKenzie; 07-23-2018 at 10:47 PM. Reason: left the c off corning
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Old 07-24-2018, 07:44 AM
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Pete VanderLaan Pete VanderLaan is offline
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Glasses that go in gob feeders tend to be pretty short. The faster it sets up, the more you can make per hour .
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Old 07-24-2018, 08:46 AM
Cecil McKenzie Cecil McKenzie is online now
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Is there a way to tell if a glass is a fluorine glass? Are commercial white glasses liable to be fluorine opals? I think I remember someone saying a fluorine opal will turn black in contact with iron. any truth to that.?
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Old 07-24-2018, 09:02 AM
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It would be highly unlikely if a white was NOT a fluorine glass in tableware.Those guys don't make lead arsenate glasses much although the enamel on the outside of Corona bottles could be one.

I have never heard about fluorine whites turning black with iron. It is true that cad sel colors turn pretty black in contact with lead.
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