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Last Updated Tuesday, September 1 2015

Charles Ross offers X-Series ultra-high shear mixer

Published May 15, 2012
Related Searches: Adhesives
Charles Ross and Son has introduced the X-Series Ultra-High Shear Mixer. The X-series mixer is ideal for products that require great uniformity in a dispersion or emulsion. This inline mixer is often used in processes wherein exceptionally narrow particle size distributions are desired within a single pass. The X-Series delivers more vigorous mixing, greater size reduction and higher throughput compared to conventional colloid mills, according to the company. In certain applications, even formulations that previously warranted a move to expensive high pressure homogenizers can now be successfully produced in an ultra-high shear mixer. Sample applications include wax dispersions, specialty coatings and adhesives, pigmented inks, paints, polymer suspensions, nanodispersions, electronic pastes, lubricants and other chemicals.

The X-Series generator consists of a precisely-machined stator with concentric rows of teeth and a matching rotor turning at tip speeds over 11,000 ft/min. Process fluid enters the center of the generator and accelerates outward through channels in the intermeshing teeth of the rotor/stator. This subjects the product to intense mechanical and hydraulic shear — and thousands of shearing events in a single pass.

Shown is the newest design “X-5” X-Series model. The rotor/stator gap can be controlled through an external shimming arrangement for fine-tuning shear input. Wetted parts are stainless steel type 316 polished to 150-grit finish. The standard mix chamber is designed for 150 psig internal pressure at 250oF. X-Series rotor diameters are offered in 3”, 6”, 9”, 12” and 15” for different throughput requirements.

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