[Jewelry making - Article 00040] - Re: [Orchid] Unresolved issues with casting

[Jon]

========[ Invite a Friend - http://www.ganoksin.com/invite.htm  ]========


>         I worry about my crucible, which has been turning red / deep
>     brown inside. Till now, I have been casting Sterling. 

    The red stuff is oxidized copper I believe, nothing to worry about
    unless you use the same crucible for gold. 

>         Working with a Little Torch, I use a tip with six orifices (for
>     propane/oxygen) to melt the metal (Dave, Tim, John and others here,
>     thank you again for your information). This is certainly a big
>     improvement, but it remains problematic to melt 45 - 50 gr. of
>     Sterling. 

    Funny I was told that the melting tips was to be used for
    acetylene/oxy only. Could someone confirm this? 

Jonathan Brunet


____________________________________________________________________
T h e   O r c h i d   L i s t
Open Electronic Forum for Jewelry Manufacturing Methods and Procedures
____________________________________________________________________
Orchid FAQ:
~ http://www.ganoksin.com/orchid/faq.htm
Orchid Archives:
~ http://www.ganoksin.com/orchid/archive
Orchid Galleries:
~ http://www.ganoksin.com/orchid/gallery.htm
Invite a Friend:
~ http://www.ganoksin.com/invite.htm
____________________________________________________________________
Tips From The Jeweler's Bench - Article Archive
~ http://www.ganoksin.com/borisat/tip_sear.htm
The Jeweler's Selected Bibliography List
~ http://www.ganoksin.com/jewelry-books
Buy Orchid Jewelry:
~ http://www.ganoksin.com/shop
____________________________________________________________________
-Unsubscribe:
-Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank
____________________________________________________________________