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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 particle size distribution is determined with a Laser Diffraction Particle Size Analyser. The mean and median are 388.3 µm and 479.1 µm resp.

Additional information

The particle size has a mean of 388.3 µm and a median of 479.1 µm. However, it should be noted that the particle size distribution depends on the production process and could be subject to large variation.

Less than 10% of the product has a particle of 100 µm, meaning that less than 10% accounts for the inhalable fraction. Particles are irregular shaped.