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  2. Slip (ceramics) - Wikipedia

    en.wikipedia.org/wiki/Slip_(ceramics)

    African red slip ware: moulded Mithras slaying the bull, 400 ± 50 AD.. 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 ...

  3. Conservation and restoration of ceramic objects - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    [contradictory] This type of clay is water-soluble and unstable. Earthenware is clay that has been fired between 1000–1200°C or 1832°–2192°F. The firing makes the clay water insoluble but does not allow the formation of an extensive glassy or vitreous within the body. Although water-insoluble, the porous body of earthenware allows water ...

  4. Underglaze - Wikipedia

    en.wikipedia.org/wiki/Underglaze

    The vibrancy that only underglaze was able to supply is now achievable with a variety of over-glazes therefore discounting the advantage that underglaze commercial production had. A well-known New York underglaze tile and pottery decorator of the 1940s, Carol Janeway (1913-1989), was diagnosed with lead poisoning after eight years of using a ...

  5. Fritware - Wikipedia

    en.wikipedia.org/wiki/Fritware

    Fritware, also known as stone-paste, is a type of pottery in which ground glass is added to clay to reduce its fusion temperature. The mixture may include quartz or other siliceous material. An organic compound such as gum or glue may be added for binding. The resulting mixture can be fired at a lower temperature than clay alone.

  6. Soft-paste porcelain - Wikipedia

    en.wikipedia.org/wiki/Soft-paste_porcelain

    Saint-Cloud manufactory soft porcelain vase, with blue designs under glaze, 1695–1700. Experiments at the Rouen manufactory produced the earliest soft-paste in France, when a 1673 patent was granted to Louis Poterat, but it seems that not much was made. An application for the renewal of the patent in 1694 stated, "the secret was very little ...

  7. Glossary of pottery terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_pottery_terms

    A procedure for preparing clay or a clay body by hand: the lump of clay is repeatedly thrown down on a work bench; between each operation the lump is turned and sometimes cut through and rejoined in a different orientation. The object is to disperse the water more uniformly, to remove lamination and to remove air. Whiteware

  8. Iznik pottery - Wikipedia

    en.wikipedia.org/wiki/Iznik_pottery

    İznik was an established centre for the production of simple earthenware pottery with an underglaze decoration when, in the last quarter of the 15th century, craftsmen in the town began to manufacture high quality pottery with a fritware body painted with cobalt blue under a colourless transparent lead glaze.

  9. Slipware - Wikipedia

    en.wikipedia.org/wiki/Slipware

    Slipware is pottery identified by its primary decorating process where slip is placed onto the leather-hard (semi-hardened) clay body surface before firing by dipping, painting or splashing. Slip is an aqueous suspension of a clay body, which is a mixture of clays and other minerals such as quartz , feldspar and mica .

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