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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:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
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)
Version / remarks:
1993
Principles of method if other than guideline:
Dynamic viscosity, measuring according ISO 3219:1993
GLP compliance:
no
Type of method:
rotational viscometer (dynamic)
Specific details on test material used for the study:
Smola S090 (REACH 31.1.08) (Composite Sample No. 08)
Temp.:
other: 140.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
ca. 9 230
Temp.:
other: 190.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
ca. 230

Description of key information

Key value for chemical safety assessment

Viscosity:
9 230 mPa · s (dynamic)
at the temperature of:
140 °C

Additional information

The dynamic viscosity of pitch, coal tar, high-temp. was determined according to OECD TG 114/ISO 3219 (rotational viscosimeter, dynamic) at 140 °C and 190 °C to be ca. 9230 and ca. 230 mPa*sec, respectively.