R & R Ball Clay
Notes
According to some writers, this is the whitest burning of ball clays mined in America. It is mined by Cyprus Industrial Minerals.
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| Oxide | Analysis | Formula | Tolerance |
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| Typecodes |
Ball Clay
Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites. |