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The ware cart of my gas kiln, following a bisque firing.
After the formed ware has dried sufficiently, it is stacked in the kiln and fired to bisque, (or in other words, hardening ) temperature.
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The Bisque Firing
Once the pottery has been fully formed, it is given a low temperature (600º - 800ºC) hardening firing, in preparation for the application of glazes.
The clay particles in the ware sinter together, so that the forms become permanent.
The clay cannot then return to its primordial state when it is exposed to the water which is contained in ceramic glazes.
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Ceramic buttons, bisqued and unglazed.
Bisque ware is soft and very porous, and as such cannot yet be used for its intended purpose.
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