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An example of splitting, where a thrown clay develops a split minutes after throwing. This often happens at stretch-points with sandy or groggy clay bodies or those that have a wide range of particle sizes (e.g. native clays not ground to 200 mesh). The larger particles create networks into which water can penetrate and begin and propagate a split. It is thus wise not to leave water or high-water-content slip on any surfaces experiencing tensile stress during forming.
Troubles |
Splitting at the Plastic Stage
Pottery clays can split at the plastic stage, sometimes ware can fall down right in front of your eyes. Why? |
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Glossary |
Throwing
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