Is the capillary rheometer capable of testing low viscosity materials?
The capillary rheometer can be adapted to test low viscosity materials such as paper coatings, inks, polymer solutions and even water (0.001Pas). The best results are generated at high shear rates, upwards of 10,000s -1, due to the low pressure values generated. The rheometer needs to be fitted with low range pressure transducers (down to 250psi) and small diameter dies (less than 0.3mm). The Bagley correction can be made by using different length capillary dies and utilising the automatic Historic Bagley Correction in the software.
Related Questions
- I am currently using an extruder with a capillary die for testing polymer samples, what additional information will I get from a capillary rheometer?
- Why does the blue stopper have to be removed when filling the testing capillary with a low volume sample?
- Is the capillary rheometer capable of testing low viscosity materials?
