[Jewelry making - Article 00056] - Re: [Orchid] Ceramic blanket

[brennan]

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    I have used ceramic blanket on a little larger scale - 50 pound pours
    of bronze into ceramic shell molds. For this we use a very simple kiln
    ( Raku Kiln)  made of expanded metal or concrete reinforcing wire mesh
    ( about 6"X6" grid)  Its great for this. And could be used for a
    smaller burnout kiln.. The material is very friable and can does
    break down into particles that would make a simple kiln for enameling
    impractical.  A rigid board form of the same fiber material is used in
    some small furnaces suitable for enameling. I don't know what is
    available in the UK. Some things are available here and not there and
    vise versa. My bookmarks are disorganized  here is one on the rigid
    material used with heaters: 

    http://www.thermcraftinc.com/heaters.html Search in kilns and in
    ceramics. I'll dig out a few more sites. I think you have a simple
    cheap material available in the UK  Its a gypsum building block about
    brick size (4-1/2"x9' x 2 -1/2" or so) . Its used for interior 
    walls. It used to be available in the US but I have not seen or heard
    of it in years here.  Its not as good as the Ceramic fiber systems but
    it costs less. Jesse  

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