[Jewelry making - Article 00062] - Re: [Orchid] Casting copper recommendations?

[Cynthia Eid]

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    Hi, I have not been following this thread, but today, as I was
    scanning my digest's titles, I was reminded of something that Peter
    Johns mentioned when he spoke in Boston last week. (Forgive me if
    someone has already mentioned this.) 

    Peter Johns mentioned that the reason he thought of trying germanium
    in Sterling Silver as a firescale preventive was that he'd noticed
    that when he cast the copper/germanium alloys that he'd been
    experimenting with, the germanium acted as a great deoxidizer. So, my
    suggestion is to use some pure copper (BTW, I think that is alloy
    #101, if you order it from McMaster Carr or MSC...) and add a bit of
    germanium. 

    My 2 cents, for what they may be worth.... 

Cynthia Eid
http://www.cynthiaeid.com


 
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