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Blackening unusual parts

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  • Blackening unusual parts

    I have some parts that need to be blackened. They are made of a chrome plated metal shaft and a chrome plated plastic knob, and cannot be separated. What would be the best way to put a fairly durable black finish on these? I've tried painting similar parts before, but it wears off and scratches to easy.

    Thanks,
    Brian Williams

  • #2
    You could try:

    Gun Metal Blue (not for steel)

    Produces gun metal blue, black, brown and slight purple on copper, brass, bronze, white metals, silver and tin lead alloys. Used at 10-50% by volume at 65-85? F. Does not contain selenium.

    PROD A327 Gun Metal Blue 16 fl oz $19.00

    http://www.caswellplating.com/aids/metal.htm

    It SHOULD work on chrome, but try it on a similar part, or an inconspicuous area first.
    --
    Mike Caswell
    Caswell Inc
    http://www.caswellplating.com
    Need Support? Visit our online support section at http://support.caswellplating.com

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    • #3
      Thanks for the reply, I might just try that. One question though, what is considered "white metals"? I'm new to metalworking and I haven't heard the term before.

      Brian

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