A rotary vibrating sieve cannot sieve everything without some assistance,ultrasonic is a best one, but some powders are very light,which may not stay on the surface of the sieve, some powders are very sticky,which would cause agglomeration, so we bring up a brush system to handle this difficulty, please see how it works here.… Continue reading Unit-Fine Ultrasonic Vibrating Sieve Brush Size Deduction System