Talc is described as a soft, fine-grained mineral used to impart a soapy texture to dry mixtures. Hydrated magnesium silicate; a glaze ingredient but also used in whiteware bodies in place of clay; has clay- like properties but lacks real plasticity.
Talc bodies were developed in ancient Egypt and then revived in the early 1900s on the West Coast for commercial low-temperature bodies; fast-firing, has low thermal shock, fires very white.
See also:
"Talc" is in the UNSPSC Code "11101518"
Talc
"Talc" is in the NAICS Code "212399"
All Other Nonmetallic Mineral Mining
Talc mining and/or beneficiating
Ref: 124313/2006-10-03
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Ceramics (Ceramics refers to the art and science of forming. ..)