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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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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2013
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
no guideline followed
Principles of method if other than guideline:
granulometric analysis
GLP compliance:
no
Type of method:
sieving
Type of distribution:
mass based distribution
Percentile:
D50
Remarks on result:
not determinable
No.:
#1
Size:
> 0.045 - < 0.1 mm
Distribution:
ca. 0.28 %
No.:
#2
Size:
> 0.1 - < 1.6 mm
Distribution:
ca. 4.1 %
No.:
#3
Size:
> 1.6 - < 2 mm
Distribution:
ca. 3.25 %
No.:
#4
Size:
> 2 - < 5.6 mm
Distribution:
ca. 69.73 %
No.:
#5
Size:
> 5.6 - < 8 mm
Distribution:
ca. 19.8 %
No.:
#6
Size:
> 8 mm
Distribution:
ca. 2.83 %
Conclusions:
The product is manufactured as flakes. Nearly 70% per weight of the product are particles with diameters between 2.0 mm and 5.6 mm. Only 0.28% of the particles have diameters below 0.045 mm.
Executive summary:

The product is manufactured as flakes. Nearly 70% per weight of the product are particles with diameters between 2.0 mm and 5.6 mm. Only 0.28% of the particles have diameters below 0.045 mm.

This study was taken as "key study" as its results are representative for the substance in the quality in which it is actually placed on the market.

Description of key information

Less than 0.28% of the mass of the test item have a diameter below 100 µm.


Additional information