[Jewelry making - Article 00281] - Re: [Orchid] Finishing piercing on sterling

[Peter W . Rowe]

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>     Ifo you don't have escapement files etc. One of the old tricks was
>     Polishing cords. Otto Frei sells " Mitchels Polish cords" 
>     You can make your own. Just about any size string that is strong
>     and will fit through the opening can be charges with abrasive
>     powders, Lapidary diamond grits are very good for this. You can
>     also run your strings, cords, with different polishing compounds as
>     needed. Things like bobbing compound, Triopoli, Rouge, even Zam. 

    Also, the new polyester (?) backed abrasive films from 3M work very
    well. While very thin strips of traditional emery paper break too
    easily, emery cloth can be cut in thin strips. But it's thicker. The
    3M microfinishing films, or for finer grades, their lapping films,
    both are on a very tough backing that will hold up to being cut into
    very narrow strips. These can be threaded through, with the lapping
    films in particular, even fairly narrow saw cuts. Make the strip a
    length that you can clamp into a saw frame (If you cut a full sheet
    in half across it's width, then the short edge of the resulting half
    sheet is the perfect length), and you can quickly sand the sawn edges
    down to a fine finish. The finest of the lapping films will give you
    a decent polish all by themselves. 3M also makes a precut version of
    this, originally intended for the dental industry. These strips,
    available in several grades and widths, have two abrasive grades on
    the same strip. One end will be finer grade, the other, a coarser
    initial grade. Handy. But I tend to just use scissors to cut my own
    strips as needed from the sheets I already have in the shop, rather
    than stocking another whole product... 

HTH
Peter
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