A new Munson Rotary Batch Mixer model 700-THCX-600-MSL blends abrasive materials in six to eight minutes with total uniformity and little to no shear, degradation or heat. Constructed of carbon steel, the mixer is intended for demanding applications including ceramics and powdered metals, as well as glass and fiberglass. It has a useable batch capacity of 600 cubic feet and achieves uniformity with equal efficiency from 100 percent to 15 percent of rated capacity.