... of final product. 3. National dust-dump standard. The raymond roller mills/raymond grinder mill are mainly used in grinding more ... 6%, such as barite, calcite, potash, pencil stone, marble, limestone, ceramic, glass and other materials which used in mining, construction, chemical ... -dump standard.Technical Data Of R Pendulum Mill:modelsroller(pcs)roller size (mm)max. Feed size(mm)product size (mm) ...