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Diss Factsheets

Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10.4.2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Qualifier:
according to guideline
Guideline:
ISO 3219 (Plastics; polymers/resins in the liquid state or as emulsions or dispersions; determination of viscosity using a rotational viscometer with defined shear rate)
Deviations:
no
GLP compliance:
no
Type of method:
rotational viscometer (dynamic)
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Remarks on result:
not determinable
Remarks:
The test substance was a solid at this temperature.
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
159 300
Remarks on result:
other: @ 1 s^-1
Key result
Temp.:
other: 60.0 °C
Parameter:
dynamic viscosity (in mPa s)
Value:
8 800
Remarks on result:
other: @ 25 s^-1

The test substance is a non-Newtonian fluid between 40 and 60 °C.

Conclusions:
The viscosity of the test substance at 40 °C is 159 300 mPa.s @ 1 s^-1.
The viscosity of the test substance at 60 °C is 8800 mPa.s @ 25 s^-1.
Executive summary:

The viscosity of the test substance was investigated in accordance with the standard ISO 3219 using a rotational viscometer with defined shear rate.

The viscosity of the test substance at 20 °C could not be determined due to the physical properties of the test substance (i.e. it was a solid at this temperature).

The viscosity of the test substance at 40 °C is 159 300 mPa.s @ 1 s^-1.

The viscosity of the test substance at 60 °C is 8800 mPa.s @ 25 s^-1.

The test substance is a non-Newtonian fluid between 40 and 60 °C.

Description of key information

The viscosity of the test substance at 40 °C is 159 300 mPa.s @ 1 s^-1.

The viscosity of the test substance at 60 °C is 8800 mPa.s @ 25 s^-1.

Key value for chemical safety assessment

Viscosity:
159 300 mPa · s (dynamic)
at the temperature of:
40 °C

Additional information

The viscosity of the test substance was investigated in accordance with the standard ISO 3219 using a rotational viscometer with defined shear rate.

The viscosity of the test substance at 20 °C could not be determined due to the physical properties of the test substance (i.e. it was a solid at this temperature).

The viscosity of the test substance at 40 °C is 159 300 mPa.s @ 1 s^-1.

The viscosity of the test substance at 60 °C is 8800 mPa.s @ 25 s^-1.

The test substance is a non-Newtonian fluid between 40 and 60 °C.