[Jewelry making - Article 00116] - Re: [Orchid] Burnout tricks for non injection wax items

[frank goss]

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    Frommy experience with plastics most burn out with the same cycle as
    carve wax. % hours for small flasks 8 hours for large and a max temp
    of 1275-1300 degree F. The big problem with plastics is the filler
    that is often added. It seems to be some kind of clay or other inert
    matter that does not burn out well. The only solution is to try each
    type and use the pieces that burn out clean. I have found that
    protoplast from the aquaplast corp. burns very clean and makes great
    castings. Frank Goss 



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