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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Description of key information

The mean value for test substance particles with a diameter below 100 µm was 7.4% (SD 2.9), and the mass median diameter was less than 250 µm and greater than 100 µm.

Additional information

Based on the information obtained from a key study by Puech (2009), using sieve method, the mean value for test substance particles with a diameter below 100 µm was 7.4% (SD 2.9, 19 batches were tested). 

The mean distribution was as follows:

7.42% (SD 2.9) = less than 100 µm;

63.28% (SD 8.43) = greater than 250 µm;

0.62% (SD 0.4) = greater than 500;

0.02% (SD 0.01) greater than 600 µm.