The category of mills, granulators and homogenizers includes those machines and equipment that grind, granulate or homogenize powder or powder-like products. There are intersections with the category of mixers for powders and granulates.

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The category of mills includes hammer mills, knife mills, sieve mills and pin mills. These are used for the comminution of solids.

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Common manufacturers of mills and sieves include Quadro Comil, Fryma, Retsch, Fitzpatrick, and Frewitt. Various processes are used in granulation: dry granulation, wet granulation, high-shear granulation, or fluid bed granulation.

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Granulation is used to improve fluidity, which is essential especially for tabletting. Manufacturers of granulators include Frewitt, GEA, Bohle, Lödige and Glatt.