[Jewelry making - Article 00146] - Re: [Orchid] Chemical etching of copper

[Sandra Noble Goss]

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    A student of mine suggested floating pieces of metal upside down in
    the etchant taped to stryofoam. It works great and allows for several
    pieces to float in the etchant at one time.  I recommend the dense
    blue or pink stryofoam rather than the beaded white stuff. I cut up a
    large piece of blue foam into a variety of sizes and wash them
    carefully after using them. I seem to be able to reuse them
    indefinitely (at least 3 years now). I tape the metal onto the
    styrofoam using tan packing tape.  when teaching a class students can
    put their name on the back (top) and the time they put it in the
    etchant - helps everyone keep track of their work. Sandra


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