TIL: Most glass used today is float glass

en.m.wikipedia.org

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TIL: Most glass used today is float glass

en.m.wikipedia.org

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Today I LearnedEnglish • 2 years ago

Float glass - Wikipedia

en.m.wikipedia.org

Liquid glass is poured over a bath of liquid tin where it floats on top, gradually cooling until it can be lifted off, annealed to prevent cracking, cut and packaged.

Also, this all has to be done without oxygen, because tin dioxide will stick to glass

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