#### Laboratory Ball Mills for Ultrafine Grinding

Figure 6 Grinding of alumina with a 1 mm grinding ball 1 hour and then with mm balls 3 hours in water High Energy Ball Mill E max The E max is a new kind of ball mill designed specifically for high energy milling The impressive speed of 2 000 min 1 thus far unrivaled in a ball mill together with the special grinding jar design produces a huge amount of size reduction energy