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Particle size distribution (Granulometry)

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Description of key information

MMD = 108.9 µm

Additional information

The particle size distribution of the test item is summarized as follows:

D10 = 14.2 µm,

D50 = 108.9 µm, and

D90 = 271.2 µm,

as determined by laser diffraction measurement, according to OECD TG 110, ISO 13320 and EPA OCSPP TG 830.7520.

< 1% in volume of the test item has a particle size <= 4µm (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.