Everything about Earthenware totally explained
Earthenware is a common
ceramic material, which is used extensively for
pottery tableware and decorative objects. Although body formulations vary tremendously between countries, and even between individual makers, a generic composition is 25% ball
clay, 28%
kaolin, 32%
quartz, and 15%
feldspar. Earthenware is one of the oldest materials used in
pottery. While red earthenware made from red clays is very familiar and recognizable, white and buff colored earthenware clays are also commercially available and commonly used.
Earthenware is commonly
bisque, or biscuit, fired to temperatures in the range of 1000 and 1150 degrees
Celsius (1800 and 2100 degrees
Fahrenheit, and glost fired from 950 to 1050°C (1750 to 1925°F). However examples of the the reverse, low biscuit firing and high glost, can also be found: this can be popular with some studio potters where bisque temperatures may be 900 to 1050°C (1650 to 1920°F ) with glost temperatures in the range of 1040 to 1150°C (1900 to 2100°F). The exact temperature will be influenced by the raw materials used and the desired characteristics of the finished ware. The higher firing temperatures are likely to cause earthenware to bloat. After firing the body is porous and opaque with colours ranging from white to red depending on the raw materials used.
Earthenware may sometimes be as thin as
bone china and other
porcelains, though it isn't translucent and is more easily chipped. Earthenware is also less strong, less tough, and more
porous than
stoneware - but its low cost and easier working compensate for these deficiencies. Due to its higher
porosity, earthenware must usually be
glazed in order to be watertight.
Types of earthenware
Further Information
Get more info on 'Earthenware'.
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