The mesh is not clogged and the powder is not flying. The circular vibrating screen can be sieved to 500 mesh or 0.028 mm. Impurities and coarse materials of circular vibrating screen are automatically discharged and can be operated continuously. Equipped with a unique grid design, a circular vibrating screen is used for a long time, and the screen change is fast only 3-5 minutes. The sieve machine can reach up to five layers, and it is recommended to use three layers.