... Features of The Raymond Mill1. The whole machine is vertical structure and occupies small area, strong systematicness. From the ... -flammable and non-explosive materials such as: gypsum, talcum, calcite, limestone, potassium, barite, dolomite, granite, kaoline, amargosite, medical stone, ... just for your reference. Roller Mill (Raymond mill,vertical crusher, multi-roller mill, powder crusher, mill)