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Biscuit Firing

Once the clay model has been removed from the mould, it is left to dry before it is carefully fettled to remove any rough edges. The next step is the first firing in the kiln, for 12 hours at a temperature of up to 1235 degrees Celsius. This is known as the biscuit (or bisque) fire, and once completed the fired item is known as biscuit ware. The firing process dries out most of the moisture in the clay, as a result of which the item will shrink by between 12 and 15 per cent.


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