[Jewelry making - Article 00050] - Re: [Orchid] Asbestos sheets

[maryjennings]

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    Regarding asbestos sheets. Are you lining your crucible or your
    flask? I am a lurking dentist. In dentistry we line our flasks prior
    to investing with strips of thickish asbestos prior to investing. As
    memory serves this is to lessen the shrinkage in the cast crown or
    bridge. I have never used this in casting any jewelry. It was a must
    in dental school. I am sure that dental lab supply houses such as
    Kerr have this or a non asbestos substitute. I believe anyone with a
    wholesale number will be able to purchase from them. In lieu of that
    you may find a friendly dental lab that can help. Also try the
    dental supply houses in the phone book. In regards to burnishers. We
    dentists use these in all shapes and sizes. If you can access a
    dental catalog they will be listed under "operative dental 
instruments" 
    Hope this helps, Mary.

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