... exceed 100MPa, water content less than 15%. Material to be broken coal, salt, chalk, gypsum, brick, limestone and ... broken wood, paper or broken asbestos cement waste to recover asbestos fibers and so on. In addition, ... high-speed rotation. Material from the upper mouth to feed into the machine, by the high velocity ... coarse mesh size in the sieve retention continue to be a hammer blow on and grinding, ...