PDF Let's talk: polysius® booster mill the ne xt thyssenkrupp Polysius
Wilczek : The mill acc epts a maximum par ticle size of about mm f or hard and up to 4mm for sof ter materials. One typic al charac teristic of the mill is the high ener gy density, 1020 times higher compared to a ball mill, resulting in a ver y compac t design. The high energy density in the small grinding chamber