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Showing results for tags 'shivering'.
Hi everyone, Hobbyist ceramist with a few years of experience here, but not so much glaze chemistry knowledge. I make work at a studio in Germany since a few years and since the summer, we noticed a lot of new issues with various glazes used at the studio. Nothing seems to have changed a priory with the way we do things. We fire with 2 different Rhode ecotop kilns at 1220 celcius. All ours work is made using a white stoneware clay from one distributor. We order commercial glazes from the same distributor and a few other glazes from another one. We've been using the same glazes for yea
Hello, I am new to this forum and new to mixing and firing my own cone 6 glazes in an electric kiln. Boy, what a learning curve! I have much to learn. I'm grateful to you guys for posting so much useful information here:) I just fired a small kiln load of pcs of different stoneware clay bodies with Turner White recipe that I found on Ceramic Arts Daily. I thought it would be a stable fool-proof glaze so I regrettably did not test. My kiln has been overfiring, so this firing I made the adjustment of firing to cone 5, holding for 15 minutes. My pyrometer cone reached cone 6, so temperat
I thought I'd throw this out there b/c my sudden shivering problem doesn't seem to fit the mold: I've been dipping a high iron stoneware in stoneware slip at bone dry and, after a 04 bisque and a dip in clear, firing to cone 5 with great success. All of a sudden, 4 out of 12 mugs came out of the kiln with a hand full of bubbles towards the base that chipped easily like shivering. I didn't change my clay, slip, or clear glaze. Any thoughts on why this would happen all of a sudden? Cheers, Allison