... mm)-Fineness: adjustable between d50: 2micron and 15micron -Suitable for medicine, mineral, chemical, fine material, noble metal, etc ... mm)- Fineness: adjustable between d50: 2micron and 15micron -Suitable for medicine, mineral, chemical, fine material, noble metal, etc ... bad flow-ability and with irregular particle shapes.- Suitable for toner, cerium oxide, alumina, aluminium hydroxide, metal powder, ...