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Slip (ceramics)
Slurry of clay and water / From Wikipedia, the free encyclopedia
A slip is a clay slurry used to produce pottery and other ceramic wares.[1] Liquified clay, in which there is no fixed ratio of water and clay, is called slip or clay slurry which is used either for joining leather-hard (semi-hardened) clay body (pieces of pottery) together by slipcasting with mould, glazing or decorating the pottery by painting or dipping the pottery with slip.[2] Pottery on which slip has been applied either for glazing or decoration is called slipware.
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Engobe, from the French word for slip, is a related term for a liquid suspension of clays and flux, in addition to fillers and other materials. This is in contrast to slips, which are historically considered to be a liquid suspension of only clay or clays in water.[3][4]
Engobes are commonly used in the ceramic industry, typically to mask the appearance of the underlying clay body.[5] They can be sprayed onto pieces in a similar method to glaze and through the addition of coloring oxides they can achieve a wide variety of colors, though not with the same vibrancy as glazes.[6] Among artists engobes are often confused with slip, and the term is sometimes used interchangeably.[7]