... the traction force will fall down to the pulverizing chamber for further pulverization. Form structureThe main machine: Nozzle, grading rotor, grinderThe ... , carborundum, potash feldspar powder, opal powder, diantimony trioxide, zirconium oxide, tungsten carbide, copying toner, pollen, kaolin, pearl powder, calcium carbonate, quartz, mica ...