[Jewelry making - Article 00332] - Re: [Orchid] Good method for patina on bronze

[john]

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    Heat only patinas (harlequin colors) are by nature transient. If you
    want more stable and more repeatable colors, the use of different
    chemicals are in order. There are fumed, buried, cold and hot
    patinas, with many variations of each, and everything giving
    different looking results. Do a Google search for "bronze patinas"
    and you will fine gobs of information. I very much like Patrick
    Kippers book "Patinas for Silicon Bronze". I use it as a resource,
    idea book and as examples for clients or students. The formulas work
    unlike some "coffee table" look pretty but poor information books.
    Ron Young at 

    http://www.sculptnouveau.com 

    has written an ok book, but he does sell proprietary patina mixes a
    well as some other patination materials. Triple S "SSS" chemicals in
    Los Angeles is another source for larger quantities of chemistries
    and a lot of the "base" materials. Your local sporting goods or
    hardware store often have "gun blueing" materials that will/can work
    on bronze but not always as the instructions say on the bottle as
    these materials are normally for steel and you are applying them to
    bronze (copper). 

    Professional patinators are, like most any experiences professional,
    highly sought after by art foundries. This is not to infer that you
    or anyone should not attempt patination, it is just that these folks
    can repeat coloration for a series, and they generally have a few
    secrets up their sleeves. 

    If you or anyone need any further help with coloration of metals
    (for me I do copper) I would be happy to help if I can. 

John Dach
http://www.MLCE.net
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