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Re: [Orchid] Need Lots of Advise  
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From: LSHancock
Date: Sun Feb 05 03:59:21 2006
 
     
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Dale,

>     the Borax I have says to put a tablespoon of it into the crucible
>     and heat the crucible. thats all well and good but it just sits in
>     the bottom and melts. Is there a way to get it to stick to the side
>     or another process that is better? I was planning on getting a
>     Graphite crucible for my gold melting. Do I still need to Borax it? 

    Rather than putting the borax in first, heat the crucible and then
    slowly sprinkle powdered borax on the crucible. It will stick to the
    sides that way. Continue to heat until the borax glazes. You can use
    boric acid powder, too. 

    Also, my advise is not to use a graphite crucible if you are torch
    melting. Graphite crucibles will act like a heat sink and draw away
    heat from your metal. A standard crucible, used with a proper sized
    neutral flame and metal protected with borax is the way to go.
    Graphite ingot molds are pretty nice, though. 

Larry

 
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