The laboratory disperser is simple in structure and easy to use. It adopts electronic constant force speed control circuit, digital display of shaft rotation speed, and is equipped with a variety of dispersing and milling blades. It can not only meet different laboratory testing needs , but also can directly calculate the relationship between the linear speed of dispersion impeller, material viscosity and chemical reaction rate according to the indicated shaft speed, so as to provide accurate data for mass production. A variety of grinding plates can be used for dispersion and grinding purpose. The standard configuration is 1 mm glass bead and 1 mm zirconium silicate bead. 1. Fast and stable rotation, good dispersion and mixing effect; 2. Various dispersing and stirring impellers and customized explosion-proof performance can be selected; 3. Speed digital display, easy to record data; 4. Optional container with jacket.