Charles Ross & Son: This company has introduced a new model of its Double Planetary Mixer, which is available in sizes from 1/2 pint to 750 gallons working capacity. The unit is typically used for the vacuum mixing of high-viscosity materials up to approximately 8 million cps. It contains two high-viscosity mixing blades that revolve on their own axis, as well as on a common axis within the mix vessel.

Visit www.planetarymixers.com.