Viscosity values always depend on the measuring temperature. In almost all cases, viscosity decreases if the sample is heated. Highly viscous materials usually show greater temperature dependence compared to low-viscosity materials.
Temperature-dependent flow behavior
References
- MEZGER, Thomas G.: The Rheology Handbook. Vincentz Network, Hanover. 2014 (4th edition)
- MEZGER, Thomas G.: Applied Rheology - with Joe Flow on Rheology Road. Anton Paar, Graz. 2019 (6th edition)