[Jewelry making - Article 01207] - Re: [Orchid] Depletion gilding problems

[Milt Fischbein - Jewellery Artist]

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>     Do you mark your metal on one side so that you consistently heat
>     the same side? or do you alternate? or have you found that it makes
>     any difference? 

    Kay I usually heat both sides of the metal during each heating
    cycle. Then there is no reason to mark the metal. 

    I will slowly heat one side until the sterling slightly changes
    colour. I try not to get it all the way up to dull red. I will remove
    the heat just before it gets there. 

    I then flip the piece over and gently heat it for a few seconds until
    the reverse side also changes colour. Since sterling is such a good
    conductor of heat it does not take long for the second side to come
    up to the correct temperature. 

    Also, I generally do not lay the silver flat. I prop it up against
    the fire brick so that there is air circulating behind it. Don't know
    if it makes any difference, but it is the way I learned to do it and
    it always works. 

    Takes about 5-10 heating, quenching and pickling cycles before the
    silver is well coated and develops a very uniform layer of white.
    This is the way I prepare silver for keumboo. 

Regards
Milt Fischbein
Calgary Alberta Canada

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