Viscosity of moulding compounds

Pressing rheometer for the determination of the shear rate dependent viscosity of fibre reinforced moulding compounds

 

Squeeze-flow measurement with constant surface area

 

Derivation of viscosity with e. g. power law based material models and different compression rates

 

Temperatures from room temperature up to 200 °C

 

Individual heating times in the mould prior to pressing as well as pre-heating times of the compounds

 

Determination of temperature distribution in the material depending on the heating and pre-heating times

 

Determination of process parameters, e. g. start of chemical reaction

 

For: Reactive moulding compounds like SMC, BMC, thermoplastic moulding compounds like GMT