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What is meant by vitrify?


After glazing, our piece is glaze fired in one of the large gas kilns. The glaze firing serves to melt the glaze and to fuse (vitrify) the clay. We'll be firing to cone 10 in a reduction atmosphere. Ideally, at cone 10 even unglazed work will be watertight after the glaze firing. Stoneware refers to work that is fired hot enough to fully fuse the clay. Cone 10 refers to the amount of heat required to melt our glazes.



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