AOT-SFM-8 is designed for grinding & mixing small batch of chemical and compound automatically for R&D laboratory. Its mortar and height adjustable pestle are designed for efficient, easy, and uniform grinding. The mortar can be taken off easily for cleaning. It is an excellent tool for preparing various ceramic materials in research lab so as to save labor. Grinding time can be set using the automated controller. Minimum granularity can be as small as microns even nanometers.