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Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP-like
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
GLP compliance:
no
Type of method:
rotational viscometer (dynamic)
Temp.:
other: 70.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
ca. 754
Remarks on result:
other: Rotation speed: 30 rpm
Temp.:
other: 70.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
ca. 3 100
Remarks on result:
other: Rotation speed: 1.5 rpm
Conclusions:
The study showed that the test item behaves as a non-newtonian fluid.
The viscosity varies according to the rotational speed set on the viscometer during determination.
Executive summary:

Rotational viscosimeter Type: Brookfield LVDV I+       Value       Unit

Sample measurement (70 °C) Spindie no. LV2 (62)

--- Rotation speed: 30 rpm                                          758       [mPa*s]

750

Rotation speed: 12 rpm                                                1110     [mPa*s]

1130

Rotation speed: 6 rpm                                                 1545       [mPa*s]

1540

Rotation speed: 3 rpm                                                 2300       [mPa*s]

                                                                                  2310

Rotation speed: 1.5 rpm                                              3100        [mPa*s]

3100

Description of key information

754 mPa*s (70°C, 30 rpm)
3100 mPa*s (70°C, 1.5 rpm)
non-newtonian fluid

Key value for chemical safety assessment

Additional information

754 mPa*s (70°C, 30 rpm)

3100 mPa*s (70°C, 1.5 rpm)

non-newtonian fluid

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