What is the maximum hardness of broken materials in fine crusher?

The crushing compressive strength of normal materials in fine crusher should not exceed 65,438+000 MPa, and the surface moisture should not exceed 65,438+05%. Especially hard materials will also be crushed, that is, the hammer head is damaged, and the service life of wearing parts will be shorter. At present, limestone is crushed by fine crusher, and there are still many sand making machines.