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In the "Kilning" and "bisquing" processes, the moist clay loses water (Evaporates). The water makes up about 5-10 % of the clays' substance, thus, on average, clay shrinks about 15-20% after it is in its final finished stage.

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16y ago

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When clay dries does it get bigger or smaller?

As clay dries it shrinks and different types of clays shrink different amounts. In my class, we use a red stoneware that shrinks about 12%.


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Does ceramic shrink when it dries?

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Is it safe to put metal wire - as support in a clay sculpture - in an oven?

It is safe, the only issue I have is that the metal is going to expand and the clay will shrink. This may cause cracks in the clay.


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This site has an amazing array of any topics on clay, pottery, porcelain, ceramics, etc., including firing, shrinkage, drying techniques, and so-on, very comprehensive:* http://ceramics.lifetips.com/cat/23525/clay-bodies/index.html


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Explain what kind of a soil can hold water?

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