The planetary centrifugal vacuum mixer is designed for mixing and deaerating various kinds of liquid, slurry, paste, and powder materials. It could be used for mixing and homogenizing nanopowders, nanotubes, ceramics powders, battery powder/slurry, metal powders, and especially high viscosity slurry/paste. The vacuum mixing capability is integrated for best mixing results. The standard package includes containers and counter-weights.