[Jewelry making - Article 00309] - Re: [Orchid] Casting torch ingots

[David L. Huffman]

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Hi Richard:

    Here's how I use my little double sided (round wire or flat sheet)
    ingot mold. 

    1. Warm the mold with the torch untill it's too warm to comfortably
    hold on to. 

    2. Lightly oil the inside of the mold using a cotton swab and
    machine oil or spray it lightly with "Pam" or another cooking oil
    spray.  Just the lightest coat possible, no dripping oil. 

    3  I light my torch without turning on the oxygen.  Just a big,
    bushy orange gas flame.  A candle will work too. 

    4. Holding the mold in the flame (with pliers if it's too hot), I
    cover all surfaces with soot from the flame. 

    5. Assemble the mold and heat it up again till once again it's too
    hot to touch.  You can test it with a wet bit of cloth.  If the water
    hisses a bit, you're at about the right temperature. 

    6. Melt, flux, and pour your metal into the mold.  Let it cool
    enough to handle it, and you're done. 

    I'll let someone else explain why it's done that way.  I just know
    it works for me, and I've tried it skipping some steps and didn't get
    as good results. 


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