11.25 Clay Processing
2015-9-10 · bentonite processing, SCC 3-05-045 for fuller’s earth processing, and SCC 3-05-046 for common clay and shale processing. Clays are categorized into six groups by the U. S. Bureau Of Mines. The categories are kaolin, ball clay, fire clay, bentonite, fuller’s earth, and common clay and shale. Kaolin, or china clay,