... the action of powerful centrifugal force,produced by high-speed rotating classifier wheel, coarse and fine ... material.such as the following.OrderTypematerials1High hardness materialCarborundum,boron carbide,alumina,,zircon sand,adamas,etc.2Nonmetallic orequartz ... rare earth material,phosphor,etc.Technical parameters of high capacity air classifier :SpecificationProduction capability(kg/h)Classifying ...