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Anyone ever tried making a mirror blank from an old flat screen CRT?
Have been playing around with some old CRT tubes this weekend [attempting to separate the cone from the face in order to make a vacuum bell jar - anyone know a way of softening the adhesive they use?] and it occurred to me that a big old flat screen front glass would have all the necessary thickness to cut out a nice sized mirror blank.
Anybody tried it? any glaring reasons why it would be a bad idea? From what I've read the cone is usually made from flint glass (~20% lead), while the front is barium glass.
While it's not Pyrex, it would pretty much be free in most cases.
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