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In recent years, many manufacturers of technical fine ceramics have opted for Eirich mixers for their build-up granulation. Whereas, in the past, granulates were primarily demanded in sizes ranging from 500 μm to several mm, today customer requirements tend towards much finer ranges, down to 100 μm or even finer. For this reason, Eirich has developed rotor tools with a special geometry that can be used to manufacture granulates with even finer grain sizes. Even in this fineness range, the width of the grain spectrum or the grain size distribution can be modified with the aid of parameters like the tool speed, granulating time and granulation moisture, and adapted to the particular requirements of the relevant application.
In the size recommended for granulating, the Eirich mixer used for granulating only has one rotor tool, which can run at tool speeds of up to 30 m/s. This makes it possible to generate high shear forces and distribute liquids quickly. The new rotor tools are also available for laboratory mixers (from 1 l).
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