D97 is a common method for representing the particle size of powder, for many stone powder making manufacturers, the finer powder fineness processing with higher D97 is pretty important to them. There are several stone powder grinding mill compare data about D97 powder processing. Let's see what different between them?

The output powder comparison:

*Raymond mill: D97 less than 325 mesh(about 47 microns),2 microns less than 10%;

*HGM micro powder grinding mill: D97 less than 2500 mesh(about 6 microns),2 microns less than 30%;

*Ball mill: D97 less than 325 mesh(about 47 microns),2 microns less than 30%;

*Jet mill: D97 less than 3000 mesh(about 5 microns),2 microns less than 50%;

*CLUM vertical roller mill: D97 less than 3000 mesh(about 5 microns),2 microns less than 30%.

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