[Jewelry making - Article 00492] - Re: [Orchid] Pitch Problem

[jim]

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    I've had good results using plaster or brick dust to stiffen my
    black pitch, powdered clay works too. Seattle pitchworks stuff is
    great and not petrolium based, but since you already have the black
    stuff use it. 

    There is some good information in Oppi's book concerning recipes for
    mixing. 

    In chasing on a bowl I've found it benefical to sink a large bolt or
    railraod spike in the pitch so when it's set up you have a handle to
    clamp it in a vice or screw it into a hole for stability. I have my
    bowl set in a lawnmower tire with the center removed. 

J.M Richardson
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