porcelain
porcelain White, glass-like, non-porous, hard, translucent ceramic. Porcelain is used for tableware, decorative objects, laboratory equipment, and electrical insulators. It was developed by the Chinese in the 7th or 8th century. True or hard-paste porcelain is made of kaolin (white china clay) mixed with powdered petuntse (feldspar) fired at about 1400°C (2550°F). Soft-paste porcelain is made of clay and powdered glass, fired at a low temperature, lead glazed, and refired.
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porcelain
