Body Bloating
When clay materials and bodies bubble as they melt or over fire. This normally happens in raw materials that contain particulates that produce gases during firing.
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Details
Bloating is a fault that can occur in the firing of glazed or unglazed porcelains, stonewares and earthenware clay bodies. Large or small bubbles/blisters on the surface indicate a firing rate or temperature that the body or material cannot tolerate. The principal home of information on this issue is in the troubleshooting section in the Bloating topic.
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| Troubles |
Bloating
Bloating occurs when the off-gassing of decomposing particles in a body has not been completed by the onset of density and impermeability associated with vitrification or overfiring. |
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