Charles Ross Expands Mixer Testing Capabilities


The company has added new mixing and blending equipment to its Ross Test & Development Center in Long Island, NY.

Charles Ross & Son Co. (Hauppauge, NY) has added new mixing and blending equipment to its Ross Test & Development Center in Long Island, NY. The company describes the center as offering equipment demonstration and testing services in order to help customers identify the best possible technology for their particular applications and to help them generate data for scale-up or solving a mixing problem.

The facility already houses more than 30 mixing, blending, and dispersion equipment of various sizes, including high-shear mixers, ultra-high-shear mixers, powder injection systems, multishaft mixers, double planetary mixers, planetary dispersers, vertical blenders, and a three-roll mill.

The newest equipment additions include a 1-cu-ft ribbon/paddle blender and a 2-gal planetary dual disperser, both of which are rated for vacuum operation, equipped with a jacketed vessel for heating/cooling, and are capable of variable speed and automated discharge. A 5-cu-ft tumble blender with a mirror finish V-cone vessel and integrated controls is also now available for mixing trials.

Auxiliary equipment such as heaters, chillers, spray bars, vacuum pumps, condensers, discharge systems, diaphragm, centrifugal, and positive displacement pumps are also available. The facility has its own analytical laboratory equipped with a particle-size analyzer, viscometers, moisture analyzers, microscopes, sieves, pycnometers, pH meters, grind gauges, and other instruments.

During testing-and before any equipment is purchased-companies can test their actual raw materials, and process-line simulations are performed in order to determine an appropriate mixing strategy

A virtual tour of the Ross Test & Development Center is accessible at

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