... High-efficiency. 4 Wide application. mill,machine,grinding millEfficient crushing-type mills are widely used in metallurgy, mining, chemical, cement, ... not more than 5%..The performance parameters of efficient crushing-type mills:ModelPC4008-75PC4012-90PC4015-132Diameter of the rotor (mm ... of the rotor(mm)80012001500Rotation speed of the rotor (r/min)800-1000800-1000700-1000Max. input size(mm)<100< ...