Industrial Process Profiles for Environmental Use: Chapter ...
Dry mica flake is fed into chaser mills which employ wood for grind- ing surfaces. The mill usually consists of a steel tank, lined with wooden blocks. Wooden rollers revolve at 15 to 30 rpm. Water and mica are fed into the mill to form a thick paste. When the mica is ground to the desired size, the tank contents are drained into settling bins ...