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Particle size distribution (Granulometry)

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Description of key information

MMD = 23.84 µm

Additional information

The particle size distribution of the test item was determined as follows: D10 = 3.98 µm, D50, median particle size = 23.84 µm and D90 = 65.8 µm.

< 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.