Example of cone 6 glaze crawling on the inside of a stoneware mug. The dipping glaze slurry had a high specific gravity (low water content) and built up thickly on the bisque, even with a quick pour. Thickly applied glazes have more ability to assert their shrinkage and thus commonly compromise their bond with the body during drying. The cracks that appear then become bare patches after firing.
| Troubles |
Crawling
Ask yourself the right questions to figure out the real cause of a glaze crawling issue. Deal with the problem, not the symptoms. |
| Glossary |
Glaze thickness
Many ceramic glaze benefits and issues are closely related to the thickness with which the glaze is applied. Many glazes are very sensitive to thickness, so control is needed. |
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