[Jewelry making - Article 00270] - Re: [Orchid] Hallmarking and solder

[Bruce Holmgrain]

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>     It's a pity that none of the UK bullion suppliers seem to carry
>     plumb solder or even have heard of it, as it works beautifully and
>     is surely a better solder to use when having to send stuff off for
>     assay and hallmarking! 

    Methinx that all the solder in the UK is plumb. Plumb is a
    designation employed in the US. The US used to allow gold solders to
    have less gold than their designated karats. You probably don't have
    solders that are designated cadmium free either, because cadmium is
    a carcinogen that is allowed n US solders.
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