plastic crushing machine 1.high quality tool steel, cutting-tool 2,using life ... ,300 2,000 2,800 6,8003,0004,600Diameter of rotating blade (mm)240250280380400400500Rotating blade(pcs)91215182455Spindle speed (rpm)500500500500500500500Fixing blade ... .51118.5221122Weight (kg)48065010001200150015002000Knife-edge model Trapezoidal knife plastic crushing machine