[Jewelry making - Article 00118] - Re: [Orchid] Casting copper recommendations?

[jesse Brennan]

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    The "best" consistent and cheap source for copper to melt is scrap
    copper tubing it will always be high grade and OFC ( oxygen free) .
    You don't "need" the OFC. Wire is next but insulation is a pain. Pure
    copper will be hard to handle in small quantities. It needs to be
    "corrupted" ( alloyed) A good basic source for information is
    "Pirotechnia" By Birnguccio (1540) the first printed book on
    metallurgy. Inexpensive translations are easily available. It is very
    good even today. Fun to study and learn from.

jesse

 
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