Heavy pastes and slurry-like applications get a proper mixing with Ross PowerMix planetary stirring vessels from Charles Ross & Son Co. The 10-gallon planetary mixers can achieve high shear mixing of tough materials with low flow properties. The devices feature a sawtooth blade on each disperser shaft to double the shear input capacity of the mixer. A rectangular stirrer orbits the vessel and exposes the entire batch of contents to the shearing action of the dispersers, the company explains. High viscosity blades with a helical curvature to push product forward and downward are available for more viscous applications that are prone to climbing on the stirrer. Web: www.mixers.com