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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

MMD = 50.9 µm

0.2 % <= 4 µm

Additional information

The particle size distribution of the test item was determined according to internationally accepted guidelines: ISO 13320, OECD TG 110 and EPA OCSPP 830.7520.

The density values were the follows:

D10 = 20.5 µm, D50, median particle size = 50.9 µm and D90 = 95.5 µm.

Less than the 0.2% in volume of the test item has a particle size <= 4 µm (respirable fraction (the mass fraction of particles that reaches the alveoli), as indicated in the CEN document, EN 481‘Workplace Atmospheres - size fraction definitions for measurement of airborne particles”, 1993.