... medium hard materials with no much water, such as limestone, coal, shale, plaster, asbestos mineral, coke and so on. The ... h. 2, Limestone CrusherMainly for crushing slaked lime and other raw materials, with great crushing ratio, high crushing efficiency; max feed ... more than 3mm; the production capability 300t/h. Granite,limestone, coal, concrete and stone industry used easy operation impact crusher