Powder flowability characterization

Determination of powder flowability index (Carr index) according to the ASTM D6393 standard for bulk solids characterization.

The analysis is performed with the Hosokawa Powder Tester and includes the measurement and calculation of the following parameters:

  • Angle of repose

  • Aerated bulk density

  • Packed bulk density

  • Compressibility

  • Angle of spatula

  • Cohesiveness/Uniformity

The Carr Index of Flowability is calculated based on these parameters and expressed as a number between 0 and 100, with higher numbers indicating better flowability. The results from the individual tests will also be reported.

Test conditions, including temperature and relative humidity, can be tailored to match the sample material's typical processing environment.

Contact us for more information and to request a quote.

Suitable sample matrices
Powders
Required sample quantity
400 ml of powder
Typical turnaround time
3 weeks after receiving the samples
Available quality systems
Measurlabs validated method

Price

Typical price range (Excl. VAT):
511–662 €per sample

We also charge a 97 € service fee per order.

Large batches of samples are eligible for discounts.

Questions? We're happy to help.

Questions? We're happy to help.

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