Ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, refractory material, fertilizer, glass ceramics, etc. as well as for ore dressing of both ferrous non-ferrous metals. ... 2700*4000 20.7 40 ≤25 0.074-0.4 12-80 400 94 2700*4500 20.7 48 ≤25 0. ...