Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
4 Nov 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data given.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Principles of method if other than guideline:
Malvern laser diffraction
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Constituent 1
Reference substance name:
Montan waxes, type WE 4
IUPAC Name:
Montan waxes, type WE 4
Details on test material:
- Name of test material (as cited in study report): Licolub WE 4

Results and discussion

Mass median aerodynamic diameter:
161.4 µm
Particle sizeopen allclose all
Key result
Percentile:
D50
Mean:
161.4 µm
Remarks on result:
other: mean of 2 measurements(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Percentile:
D10
Mean:
40.3 µm
Remarks on result:
other: mean of 2 measurements, SD not given.
Percentile:
D90
Mean:
354.6 µm
Remarks on result:
other: mean of 2 measurements, SD not given.
Percentile:
D50
Mean:
161.4 µm
Remarks on result:
other: mean of 2 measurements, SD not given.

Applicant's summary and conclusion

Conclusions:
The test substance has a median particle size (D50) of 161.518 µm.
Executive summary:

The volumetric distribution of particle sizes of the test substance was determined with a Malvern Mastersizer 2000. The median particle size (D50) of the test substance is 161.4 µm (mean of 2 measurements, SD not reported).