[Jewelry making - Article 00321] - Re: [Orchid] Casting Tree Bark

[LEESSILVER]

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    Will, I have heard several people say they have successfully cast
    all kinds of things, including bark.  The thickness you have
    remaining will work.  I would suggest you seal the bark and wood to
    prevent moisture from the investment penetrating the wood.  I cast
    several seed pods that looked line 1/4" pine cones.  I sprayed many
    coats of laquer on them to make them thicker and to seal the wood.  I
    used my normal bury out cycle.  I do burn out for 8 hours as I fill
    my oven to the brim and shorter burnouts do not clean the flasks
    well. The best way to find out if you can cast your bark is to cast
    your bark. The results will tell you if you need to make corrections.
    Good Luck Lee

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