Cratering

Description

A bowl shaped depression that occurs on painted surfaces. Cratering is caused when a coating poorly adheres to unclean or oily areas on the substrate. Some glazes on ceramics are specifically designed to produce small craters for visual effect.

Risks

• For crater glazes: R. Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Co., Radnor, PA, 1996.