11.25 Clay Processing - United States Environmental ...
11.25 Clay Processing 11.25.1 Process Description1-4 Clay is defined as a natural, earthy, fine-grained material, largely of a group of crystalline ... fiberglass and insulation, rubber, paint, ceramics, and chemicals. Ball clay is a plastic, white-firing clay that is composed primarily of ... grinding, and screening, that do not appreciably ...