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Importance of Viscosity: How to Measure it

In simplest terms, viscosity is defined as “the resistance to flow” and is often referred to as the thickness of a fluid. The concept of a fluid having a “thickness” has existed for thousands of years, however the term “viscosity” was not introduced until 1929. Even Newton referred to viscosity as “the lack of slipperiness of the parts of the liquid” (Sir Isaac Newton, Principia, 1687).

In Viscosity Measurements, VROC Technology, shear rate, non-Newtonian, dynamic viscosity, kinematic viscosity, microfluidic, rectangular slit viscometer

Back to Basics Webinar: non-Newtonian Fluids

Our record sign up and attended webinar is now up and ready for download! Access the full recording and also the presentation. 

In Webinars, Newtonian, non-Newtonian, viscosity basics

No Fooling: Characterizing Cosmetic Serums

Cosmetic serums are a popular self-care product to keep skin healthy. Formulation ingredients can vary dramatically. Some serums use plant-derived ingredients while others use synthetic oils depending on consumer preferences and needs. Thus, serum development is a dynamic process requiring a plethora of characterization experiments to differentiate between formulations. Here we demonstrate that the automated viscometer system, VROC® initium, can perform rate sweeps experiments to characterize different serum formulations based on their rheological properties with minimal engagement.

In Applications, Oil Viscosity, polymer solutions, shear rate sweep, non-Newtonian, cosmetics, shear thinning, Industries