[Jewelry making - Article 00443] - Re: [Orchid] PnP paper residue?

[Katherine Palochak]

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>        Hi guys, after I'm done etching, using PnP (Press n Peel) paper
>     and Ferric Chloride, there's this black stuff left on the copper
>     and I can't seem to get it off. 

    If it's the resist itself, use a chemical remover. I think it's
    lacquer thinner, but methyl ethyl ketone will definitely do it; or
    you can mechanically remove it by polishing. Usually, I just use a
    foam bar made for acrylic fingernails. A fine or superfine (about
    400-600 grit) bar leaves a satin finish that is easily polished out. 

    If it's the smut residue left in the etched areas, just pop it in
    the Sparex or peroxide pickle for a few, or brass brush it. It does
    need to be removed, as it will affect any patina. 

Katherine Palochak

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