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Ceramics/Zeus Celadon glaze

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Expert: Sam Kelly - 7/9/2010


Question

Vanessa
One of two Clay portraits glazed with Zeus Celadon fired in same cone 10 large gas kiln clumped leaving ares of raw clay and running into eyes, chin etc.  Is there any way of repairing the piece by refiring and  raising temperature high enough to melt gaze off of piece?

Answer
Hi Joan, sorry, there is no 100% effective way to fix/repair this. What has happened is called "glaze crawling".

You could try heating the pot up to about 150degC and applying a thin coat of glaze with a spray gun(this will make the glaze dry instantly) and refire.

http://pottery.about.com/od/glazeproblems/tp/crawling.htm

Sam
    Questioner's Rating
    Rating(1-10)Knowledgeability = 10Clarity of Response = 10Politeness = 10
    CommentToo bad no fix is possible...I knew that chances were slim to nothing that repair could be made....thank you for confirming the fact....


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Sam Kelly

Expertise

questions with regard to all types of clay, glaze problems and glaze making and application. gas and electric kiln firing

Experience

I am a full time studio potter, also technical assistant in the ceramics department of our local college.

Education/Credentials
I completed a three year ceramics course with 6 distinctions and 5 credits. 2 years as a proffesional potter in on of Australia's largest potteries. Working full time as a studio potter.

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