[Jewelry making - Article 00840] - Re: [Orchid] Suitible solder for electrum

[Jim]

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Hi Bruce,

    You will have to make your own solder. But it isn't too hard to do.
    If you add about 1% fine silver to your alloy it should lower the
    melting temperature enough to act as a solder for the original alloy.
    Cadmium will work even better but it is toxic so you must use very
    good ventilation when soldering or melting. Make some solder then
    roll out a thin sheet of solder and a piece the original alloy to the
    same thickness. Now melt both samples side by side. this trial will
    give you a pretty good idea of the melting temperature of the solder
    relative to the original alloy. Keep in mind that the lower the
    melting temperature of the solder the greater the color difference
    will be. 

Hope this helps. Good luck.
Jim Miller

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