[Jewelry making - Article 00118] - Re: [Orchid] Sandblasting

[Karen Goeller]

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    Tara, I don't know what material you're sandblasting (metal, rock,
    etc.?), but we've had good luck with thick coatings of nail polish
    (multiple coats) and with epoxy glue.  Basically, you mask it off
    with the polish or epoxy, let it dry really thoroughly, then blast
    away.  When you're done, soak in acetone to remove (the epoxy
    approach may take up to a couple of days of soaking, depending on how
    thickly you've done it). 

    The epoxy worked really well in a case where I had a fairly deep
    solid bezel cup that was highly polished on the inside for a
    transparent stone, but the outside needed to be blasted.  Filled it
    with epoxy, let it dry, blasted it, then soaked it for 2 days.  At
    the end of the 2nd day, the epoxy popped out in a chunk, leaving it
    beautifully polished, just as I started with. Exactly the result I
    wanted. 

    I've heard (anecdotally) that you can also use duct tape and
    electrical tape, but I've never tried it.  I wouldn't think you could
    get a precise enough edge with the duct tape, but it depends what
    you're trying to do. 

Good luck!
Karen Goeller
kgoeller AT nolimitations.com

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