[Jewelry making - Article 00180] - Re: [Orchid] Soldering copper

[jesse brennan]

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    The pre 1981 pennies are a metal that is also known as gilding metal
    - 95% copper 5 % zinc. Alloys containing  10% and sometimes even 15%
    zinc  might also be called  gilding metal but the distinctive copper
    color is gone. Indian Jewelers Supply sells the !5% zinc  as more
    correctly red brass.  I believe the 5% zinc  stuff is more common in
    the UK, I have bought  it  in sheet form from Thompson Enamel:
    http://www.thompsonenamel.com.  The melting temperature is just a
    little below copper.  I have never been able to locate another alloy
    that comes close to matching the copper color. jesse 



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