Introduction of Impact Crusher Impact crusher is suitable used for crushing ordinary fragile ores of the hardness no more than 200Mpa,such as limestone,gypsum,coal,marl,sand-shale etc. Features : 1.high crushing ratio, 2.even product graininess, 3.simple construction, 4.reliable operation, 5.easily maintenance, 6.economical running cost etc. Spec of Impact Crusher