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