Retsch, Haan, Germany, has developed the MM 500 mixer mill, the first ball mill with a frequency of 35Hz which produces sufficient energy for efficient wet grinding of samples down to the nanometer range.

Based on performance, operation, application fields and design, the MM 500 is said to be a unique combination of a classic mixer mill and a planetary ball mill. It is designed to be perfectly suited for long-term grindings of several hours with high energy input to obtain particles sizes <1µm, e.g. for mechanical alloying or chemical reactions. Thanks to only moderate warming effects, no cooling breaks are required when using the MM 500. In addition, operation and handling are more comfortable than with planetary ball mills.

The benchtop unit is also suitable for dry, wet and cryogenic grinding of sample volumes up to 2 x 45ml in one working run. It mixes and pulverises powders and suspensions in just a few seconds.

The MM 500 can be controlled via the new optional Retsch app which provides functionalities like creation of application routines, access to the Retsch database or direct contact to the company’s service team. www.retsch.com

The MM 500 can achieve long-term grinding up to 99h
 

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