... below 8%, such as barite, limestone, quartz, calcite, granite, porcelain clay, basalt, gypsum etc. Main Features of Super Thin Grinding ... . High using rate of spare parts SCM Series Super Thin Grinding Mill SpecificationModelSCM6015SCM8021SCM10027Number of Roller (piece)152127Ring Diameter ... ×4×8.6Note: This specification is just reference, any changes are subject to the SCM Series Super Thin Mill ...