[Jewelry making - Article 00052] - Re: [Orchid] PMC Oxidizer: MaxBlack

[Cathy Wheless - artjeweler]

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Hi gang,

    A word of caution should be noted regarding the oxidization of PMC.
    Remember that PMC is porous so it "drinks" and retains the chemical
    and it remains active. The PMC piece should be put in the ultrasonic
    cleaner for a minimum of fifteen minutes to neutralize and remove the
    chemical after oxidation. 

    A vivid example of the active chemical still in PMC was brought to
    my attention one day when I was showing some new PMC work to my
    husband. We were in the studio I had on a long dress; I was seated
    and laid some of the work on my lap for him to see. The fabric under
    each piece discolored as the work came into contact with the dress. I
    was amazed. 

Blessings to All,
Cathy Wheless

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