International Processing Trade Fair for Powder, Bulk Solids, Fluids and Liquids

26 - 28 September 2023 // Nuremberg, Germany

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Exhibitors & Products POWTECH 2022
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High resolution tapped density analyzer

Granular material density analyzer.
Automated tapped density and packing dynamics tester.


The bulk density, the tapped density, the Hausner ratio, and the Carr index measurement are very popular for powder characterization because of both the simplicity and the rapidity of the measurement. Moreover, the density and the ability of a powder to increase its density are important characteristics to consider when you plan to store, transport, and process a powder.

While developing the GranuPack, the development team at Granutools decided to put the priority on three simple things:

  1. The initialization protocols. The filling method can induce a lot of user dependency in a classic tap tap test. With its initialization protocol, the GranuPack can ensure repeatable and precise results with no influence from the user.
  2. Automatic powder height measurement. The second source of user dependency comes from the naked eye volume measurement. With his inductive sensor, the GranuPack can guarantee a good and precise measurement of the powder’s volume.
  3. The packing dynamics. Besides, from the bulk density, tapped density, Carr index, and Hausner ratio, the GranuPack also measures the packing dynamics of the powder by providing the full packing curve and the characteristic tap number n1/2.

POWTECH offers concrete solutions for packaging-intensive industries. Industry guide


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