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Black coating after Copy Cad degreaser OK?

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  • Black coating after Copy Cad degreaser OK?

    Had some trouble with my heater, so left some steel parts to be degreased overnight in the cold tank. They now have a gray coating, as if left in phos acid for a bit.
    They pass the water break test. Are they OK to plate as is?

  • #2
    They were left in the SP Degreaser tank cold ?
    --
    Jason Vanderbroek
    315 946 1213 x116
    www.caswellplating.com

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