Catalogues and registration

Rheology / Viscometry

The determination of the flowability of polymer melts and solutions plays a special role in the quality control of thermoplastics. The category includes MVR value determinations, solution viscosity and numerous other methods.

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Thermoplastics

Melt mass flow rate (MFR)
– volume flow rate (MVR) 1 (ISO 1133)

Melt flow rate (MFR)

Melt volume rate (MVR)

Schmelze-Massefließrate (MFR)
-Volumenfließrate (MVR) (ASTM D1238)

Melt flow rate (MFR)

Melt volume rate (MVR)

Solution viscosity (conc. sulfuric acid) (ISO 307)

Solution viscosity (m-cresol) (ISO 307)

Solution viscosity (formic acid) (ISO 307)

Solution viscosity (phenol/1,2-dichlorobenzene) (ISO 1628-5, ASTM D 4603)

Flowability capillary rheometer (ISO 11443)

Apparent viscosity at a shear rate of 11 1/s

Apparent viscosity at a shear rate of 1000 1/s

Apparent viscosity at a shear rate of 5900 1/s

Complex shear viscosity
Parallel plate oscillation rheometer (ISO 6721-10)

Memory modulus G’

Loss modulus G”’

Viscosity (amount)

 

Elastomers / TPE

Mooney viscosity (ISO 289-1)

 

1 Test is included in the scope of proficiency tests, which are intended to be accredited