Determination of IV with Capillary Rheometer
The method of measuring the melt viscosity with the capillary rheometer is simple and avoids the environmentally hazardous solvents.
Bagley Correction
The Bagley correction is needed to calculate the inlet pressure drop when round hole capillaries...
Weißenberg-Rabinowitsch Correction
Due to shear thinning of polymer melts with pseudoplastic flow behaviour a strong flection of the...
PVT isobaric
This procedure is standardized in ISO 17744 for piston operated instruments. Isobaric PVT measurements are performed at constant pressure...
PVT isothermal
In isothermal PVT measurement, the measurement process starts at room temperature after the material is filled at melt temperature and...
Thermo Stability
Plastics have the property of aging through thermal or mechanical stress...
Melt Elasticity/Strength
The melt strength (elasticity) is determined by withdrawing an extruded strand of capillary rheometer...
Counterpressure chamber
The counter pressure chamber, which offered by GÖTTFERT as an optional Add-on ...
Flow Instabilities (Shark-Skin)
The Shark-Skin effect occurs during the extrusion of plastics, elastomers or food and manifests...
Thermal Conductivity
The measurement of the thermal conductivity is carried out by means of a probe...
Extensional viscosity (Cogswell Modell)
The extensional viscosity can be calculated with measured data of a capillary rheometer...
Die Swell Measurement
The Die Swell measurement is one of many available add-ons for the series of GOETTFERT capillary rheometers...