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Chemical R500 needed
I have a contact at NASA Glenn Research center who is trying to locate
a vendor that sells JT Baker Chemical R500 or its equivalent. Chemical R500 is a mixture of barium and strontium carbonates (with organic binders and amyl acetate plus other ingredients) that is used in the production of vacuum tubes (and in their refurbishment). Does anyone happen to know someone who repairs vacuum tubes and re-coats their own cathodes that might be willing to supply this material? I would appreciate any leads that are provided. Thanks |
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