... than 0.01mm 2) Widely used in chemical, pharmaceutical, food, light industry and other trades 3) Most commonly used ... plastic raw material, soap, grease, resin, salt, gourmet powder, food additives, vitamins, herbicides, insecticides and dewatering of copper, zinc, aluminum ... mineral powders Working principles: 1) PSBD series centrifugal machine is a kind of filtering equipment adopting scraper bottom- ...