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It may not melt, but will certainly warp and blister/bloat (as show here). If there is inadequate kiln wash or silica sand it will also stick to the kiln shelf.
| Troubles | Bloating Bloating occurs when the off-gassing of decomposing particles in a body has not completed by the onset of density and impermeability associated with the vitrification process. | 
| Troubles | Warping There are multiple reasons why pottery and porcelain pieces can warp during firing, both vitreous and non-vitreous ware. Here is what to do about it. | 
| Glossary | Terra Cotta A type of red firing pottery. Terra cotta clay is available almost everywhere, it is fired at low temperatures. But quality is deceptively difficult to achieve. | 
| Glossary | Maturity A term used in the ceramics industry to signify the degree of vitrification in a fired clay. Mature clays are dense and strong, immature ones porous and weak. | 
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