... : Applied to materials with Moths' Hardness below Grade 9, since the milling effect only involves the impact and collision among ... , talcum, barite, kaolin, quartz, graphite fire retardant materials, high-grade grinding media, chemical, metallurgy, western medicines, traditional Chinese medicine, agricultural ... QYF-100 laboratory pulverizer, jet mill, air mill, pulverizer, milling machine, micronizer