[Jewelry making - Article 00261] - Re: [Orchid] Instead of talc?

[mark kaplan]

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hi martin

    as an alternative to breathing talc and mica all day long which is
    not supposed to be good for you; I know of one commercial caster
    that uses plain old corn starch with good results. However I do not
    know if it would specifically address your porosity problems. Are you
    sure the porosity is from the powder and not other factors like
    overheating the metal? Happy experimentation. 

Mark Kaplan
Providence, Rhode Island
markaplan AT hotmail. com

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