[Jewelry making - Article 01097] - Re: [Orchid] Firescale, frips, prips huh?

[LEESSILVER]

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Hi J. S.,

    I manufacture and use Cupronil. I never get  firescale. All fluxes
    will fail and firescale will be created if the  metal is maintained
    under heat for a prolonged time. All solder jobs should be broken
    down into short steps. 

    I polish most surfaces before I solder. I have found that some sheet
    silver comes with firescale already on the surface. I am interested
    in your procedure. Maybe there is something I am  missing. 

    By the way if you do any vacuum casting I have developed a way to 
    prevent firescale when casting.  Its a very simple process. Be glad
    to send a free copy of the paper I wrote. 

Thanks for the input.
Lee Epperson

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