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Examples - Rheoceptor™ measurements with Nylon


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Comparison of Predicted vs. Measured Polymer Viscosity

Nylon viscosity versus shear rate measurements by the in-line viscometer in production. The line passing through the points shows the estimated viscosity based on the polymer's relative viscosity using an empirical model based on historical data.


Nylon viscosity measurements vs. time

Nylon measurements versus time over 96-hour production period using the in-line squeezing flow viscometer. The top trace shows simultaneous measurements made with a diffent upstream viscometer.
(data courtesy DuPont)

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Last updated August 6, 2000