Wet Grinding Attritors: Laboratory Mills
They have shafts with arms and run at RPMs from 100 to 650 and can be used for wet or dry grinding. The Model HDDM01 is designed for small media ranging from .25mm (or smaller) to 2mm. These models have shafts with special UP Delta Discs (similar to those used on the Union Process DMQX Bead Mill) and run at RPMs of 1000 to 4200.