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Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24-05-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Qualifier:
equivalent or similar to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
2009
Deviations:
no
Principles of method if other than guideline:
Laser Diffraction, cuvette method in suspension
Solvent cetone
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
Laser scattering/diffraction
Type of particle tested:
other:
Remarks:
method does not differentiate
Type of distribution:
volumetric distribution
Specific details on test material used for the study:
Typical production batches Material Number 425022001 batch 218031B002
and Material Number 425024001 batch 218041B003
Key result
Percentile:
D10
Mean:
ca. 32.5 µm
St. dev.:
2.92
Remarks on result:
other:
Remarks:
Mat. 425024001 mean of 3 measurements
Key result
Percentile:
D50
Mean:
ca. 62.95 µm
St. dev.:
15.11
Remarks on result:
other:
Remarks:
Material number 425024001, mean of 3 measurements
Key result
Percentile:
D90
Mean:
ca. 85.16 µm
St. dev.:
13.8
Remarks on result:
other:
Remarks:
Material number 425024001, mean of 3 measurements
Key result
Percentile:
D10
Mean:
ca. 37.55 µm
St. dev.:
4.49
Remarks on result:
other:
Remarks:
Material number 425022001, mean of 3 measurements
Key result
Percentile:
D50
Mean:
ca. 69.24 µm
St. dev.:
13.93
Remarks on result:
other:
Remarks:
Material number 425022001, mean of 3 measurements
Key result
Percentile:
D90
Mean:
ca. 125.98 µm
St. dev.:
6.63
Remarks on result:
other:
Remarks:
Material number 425022001, mean of 3 measurements

Percent 10 micro-m: 1.55, 40 micro-m: 12.16%, 100 micro-m: 80.33 Material number 425022001, mean of 3 measurements

Percent 10 micro-m: 2.25, 40 micro-m: 17.36%, 100 micro-m: 85.16 Material number 425024001, mean of 3 measurements

Conclusions:
The particle size distribution was determined with two typical batches of 2 typical materials as an average of 3 measurements using laser diffraction in a solvent suspension.
The D10 was 32.52 or 37.55 micro-m, the D50 62.95 and 69.24 micro-m and the D90 113.96 or 125.98 micro-m for the two materials respectively.
Executive summary:

The particle size distribution was determined with two typical batches of 2 typical materials as an average of 3 measurements using laser diffraction in a solvent suspension.

The D10 was 32.52 or 37.55 micro-m, the D50 62.95 and 69.24 micro-m and the D90 113.96 or 125.98 micro-m for the two materials respectively.

Description of key information

The particle size distribution was determined with two typical batches of 2 typical materials as an average of 3 measurements using laser diffraction in a solvent suspension.

The D10 was 32.52 or 37.55 micro-m, the D50 62.95 and 69.24 micro-m and the D90 113.96 or 125.98 micro-m for the two materials respectively.

Additional information