[Jewelry making - Article 00373] - [Orchid] Firing sterling with PMC

[Pat Waddington]

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    What is the best way to protect sterling silver from
    discolouring/firescale when firing it with PMC? I exclusively use
    Art Clay 650 or PMC3 so that I can fire it with a butane torch, but
    have been reluctant to mix sterling and PMC because I am worried
    about ruining a piece if I damage the sterling. I have read all the
    info I can find about anti-firescale, but this forum provides so much
    information that I am thoroughly confused! I need a simple,
    inexpensive solution to the problem as I do not have a need for large
    quantities. Would painting the sterling with a mixture of borax(?)
    and denatured alcohol suffice? 

    Christmas is coming and I expect there will be no Orchid for a few
    days over the holiday - I will miss my daily fix! 

<edit>

    Orchid is not resting this year :-) 

</edit>

Best to all
Pat

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