Product Improvement

Testing Rheology & Viscosity in Practice

Language: English
Length: 90 min
Jul 16, 2025 02:30 PM
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Course Description

Generate relevant and useful rheological data to support your developments by selecting the right rheology test (controlled rate or shear, rotational or oscillatory...) & interpreting test results correctly.

Joshua Marsh will guide you through the vast range of methods and equipments available, share pros & cons and practical considerations to help you determine the one most suited for you.

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Joshua Marsh
Joshua Marsh
Centre for Industrial Rheology
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Joshua Marsh has worked at the Centre for Industrial Rheology for more than nine years, beginning in a technical analyst role where he developed hands-on experience of the technical challenges and nuances of practical rheological analysis. In 2018 Josh took up the role of Technical Manager at the centre, overseeing all the analyses undertaken there and running the training services they provide. The focus of these services is rheology, providing testing and support globally to businesses in all sectors to aid in the production of highly reliable physical characterisations.
Throughout his time at the centre, Josh has worked with a wide variety of rheometers and viscometers, using these to perform analysis on materials from a huge array of fields.

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Participants of this course includes

Why should you view this course?

With the range of viscometer and rheometer methods available to the typical lab worker, it is little wonder that selecting equipment and developing and validating a test method for R&D or QC can be a daunting task.

Methods range from simple spindle viscometer techniques to sophisticated and powerful rheological profiling and characterization, all of which are now accessible to most labs. However, the wrong choice of test method, or the incorrect interpretation of the results, can render a test virtually useless and lead to costly consequences. Join this course to:

  1. Better describe your product’s flow behavior (such as zero-shear viscosity, thixotropic recovery rate, etc.) and gain a competitive edge.

  2. Save time in selecting your equipment (e.g., simple viscometer, mid-range rheometer) by understanding their benefits and drawbacks.

  3. Generate finer rheology data by knowing the best method to use – Controlled rate or stress? Rotational or oscillatory?

Who should join this course?

  • Formulators, QC managers & technicians, and Process developers with a need to improve their approach to rheology and viscosity testing.

  • Complete the course and unlock your personalized certificate – your badge of accomplishment awaits!

  • This course is suitable for intermediate level proficiency
    Intermediate
Questions you will be able to answer after this course:

  1. How to determine whether to use controlled rate or stress tests?

  2. Which is better considering factors like cost, capability- Rheometers or Viscometers?

  3. How to accurately predict product behavior under different stress conditions?

Course Outline

The Rheologist’s Toolkit: Introduction & Metrics

Selection and Development of Tests

Rheometers and Viscometers: The key differences: cost, capability, performance, and ease of use

  1. Controlled stress and “high performance” rheometers
  2. Brookfield-type spindle viscometers
  3. Accessories: Cones, plates, cylinders, etc.

Critical Parameters for Characterizing Your Products

Rheology and viscosity test methods (suspensions, emulsions, solutions, and gels) :

  1. Pros and cons of procedures for testing
  2. Viscosity profiling methods
  3. Obtaining repeatable and relevant viscosity values
  4. Quantifying yield stress and thixotropy
  5. Oscillatory test methods for viscoelastic profiling

Tips for Buying a Rheometer or Viscometer

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30 min Q & As for this course
Interact directly with your tutor and clarify your doubts
  1. 30 mins per session for Questions and Answers
  2. Clarify your doubts.
  3. If your questions are not answered, dont worry you will recieve tutor’s reply via email after sessions.
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