... to grind barite, calcite, potash feldspar, talcum, marble, limestone,Raymond mill, ceram and slag below scale 7 of Moth’s hardness ... anew sequentially to the atmosphere after purification.Specifications of Raymond Grinder:Model3R21153R26153R27153R30164R3216RollerNumber33334Diameter (mm)210260270300320Height (mm)150150150160160RingInside diameter (mm)630780830880970Height (mm)150150150160160Maximum ...