... grade 3 hardness, such as soft mineral, brittle material, tenacious material, cellulosic material, etc. and substances that are apt to ... is a ideal crusher in the industries of chemical engineering, building material, medicine, health care, breeding, food and mosquito-repellent ... machine with fan, powder collector, dust composition. 3.grinding tool, 7-type knife, a cutter-type knife and centrifugal ...