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Question: Are there other types of gasket material for CF flanges? (other than copper?)
Yes. There are silver plated copper gaskets for those users that bake their vacuum systems to very high temperatures (>400 Centigrade). During the bake, the atmosphere side of a plain copper gasket can severely oxidize. When performing maintenance of that system, it is possible that particles of copper oxide can fall into the chamber. A silver plated copper gasket will not severly oxidize. There are also a few varieties of elastomer gaskets (usually made of Viton) that can be used in place of copper for temporary connections (i.e. Helium leak detection of the chamber during manufacture)
Related Topics: silver gasket vacuum, vacuum gasket, silver plated copper gasket
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