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Using commercial glazes, why do some pieces have crazing (glaze fratures)?

April 26, 2017Commercial crazing glaze Glazes pieces

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Using commercial glazes, why do some pieces have crazing (glaze fratures)?

1 Answer

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This can be caused by rapid cooling, underfired bisque or incompatible clay body and glaze combination (earthenware/low fire glaze to stoneware/high fire clay body). Sometimes additional soak time in the firing will help avoid a lot of crazing.