Vortex milling is based on the physical phenomena that a particle will break along its weak points when it is exposed to certain aerodynamic conditions. The Vortex is a Tornado-like air flow. Aerodynamic forces are the main driver for particle size reduction in our mill.

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The SuperFine Vortex mill comprises a compact vortex chamber with no moving parts.

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The principle is also different than other air-jet mills: Vortex milling is based on subjecting the particle to rapid changes in air pressure and flow directions. Hence, the particle is breaking along its natural dents, cavities or crystal defects. The result is a “clean cut” that is not accompanied with degradation or amorphization of crystal surface typical to standard jet-milling. 

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This is a “soft milling” process providing:

• No Trauma to the material

• Protection from degradation or amorphization

• Handling soft, elastic substances.

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The special airflow dynamics in the system imply that the lowest air pressure point is located within the micronizer. There is no Venturi injector or inlet hoppers that could clog.

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 The final milling results are achieved in one milling stage. There is no need for multi-pass milling.

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SuperFine’s Vortex mills require an air supply at a pressure of up to 6 bars only.  Our technology consumes much less air compared to others.