Ash glaze

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Description

A ceramic glaze that contains a high proportion of plant ash. Ash was used as a glaze component since the Han dynasty in China. Because a wide variety of waste products (wood, leaves, seed pods, sawdust, bark, etc.) are used to produce ash, it has a wide range of compositions (silica, potash, lime, carbon, etc.). This variability in composition gives unreliable and often unsatisfactory, results.

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Synonyms and Related Terms

glaçure à la cendre (Fr.); as glazuur (Ned.); vidrado de cinzas (Port.)

Authority

  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Henry Hodges, Artifacts: An Introduction to Early Materials and Technology, Ronald P. Frye, Kingston, Canada, 1988
  • Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992

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