In dolomite processing plant, dolomite is crushed into small dust such as dolomite sand by stone crusher machines, or grinded into powder by grinding machines. Dolomite sand used in industry usually is 6-10 mesh, 10-20 mesh, 40 mesh – 80 mesh, or 80-120 mesh. Dolomite powder usually is 140 mesh, 325 mesh, 1000 mesh, 1600 mesh. 50kg hdpe bags