[Jewelry making - Article 01032] - [Orchid] Trouble with Ceramit

[Mary Linford]

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Hello All,

    I am befuddled with a job involving Ceramit. I am making a large 3"
    Star shaped plaque that will have Ceramit in certain places.  I am
    matching colors from another similar plaque.  I bought the ceramit
    kit from Stuller with basic colors, and some other colors from a
    local supplier.  The problems are two-fold. The green  bubbles  when
    it is curing at 200 degrees. Even if I do very thin layers, no
    bubbles when I put it in the oven, filled with bubbles when it comes
    out. The second problem is colors staying the same before and after
    firing. I carefully mixed a light blue color, did test strips, but
    when I fired it it changed color dramatically, from an aqua blue to a
    dull grey blue. After many test strips and attempts, I finally had to
    burn it out and start over. The oven is kiln with two pyrometers so I
    don't think I am firing too hot. Also, the blue color separates when
    fired so I get a dull grey with little marbled areas of dark blue,
    even after mixing well in my little Dixie cup. 

    I have checked the archives, and it seems the two main threads cover
    types of enamel substitutes or that ceramit seems great. Nowhere can
    I find how to troubleshoot it. I am pretty certain we want to stay
    with ceramit, but I just need some advice from someone out there who
    has been using it! 

Thanks in advance!!!
Mary LInford
Blue Star Wax Carving
mary AT bluestarwaxcarving.com
206-780-3602

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