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Ball clay creates a very thixotropic slurry that has beautiful application properties on leather hard ware (left). Look at that big drip coming off the rim on this freshly dipped cup - it is not running downward. Yet this drip dried down to be barely noticeable after firing (right). The rest of the surface dried thin enough to preserve the texture of the body.
Glossary |
Thixotropy
Thixotropy is a property of ceramic slurries. Thixotropic suspensions flow when you want them to and then gel after sitting for a few moments. This phenomenon is helpful in getting even, drip free glaze coverage. |
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