... dust 4.High efficiency Big broken ratio! hot selling impact crushers AKL-I-CStructure features:1, The rotor can bear very ... crushing cavity, the linear velocity is lower than general impact crusher at 20% 25%, with low energy consumption for high production ... hardness,big blocks of the stone products, less dust. Usage:Jaw crushers are widely used for mine,smelting, building material,road,railway ...