... copper sulphate, potassium chloride, acetate, borax, soda, rubber additives, dye, plastic raw material, soap, grease, resin, salt, gourmet powder, ... mineral powders Working principles: 1) PSBD series centrifugal machine is a kind of filtering equipment adopting scraper bottom- ... and the material is discharged from the bottom of the machine 5) Advantages: steady operation, convenient operation 6) Can ...