Coating Industries: Why Should You Measure Viscosity?

There is a lot more than it looks when it comes to the coatings industry.  Being one of the heaviest regulated industries in the world, there are many aspects of the coating that must be analyzed during formulations, production, and continuous QC/QA. Particle size, particle shape, coating formulation, and even shear exposure can affect the viscosity of your coatings. This has a direct parallel affect on your coating sample behaviors. Hence, viscosity is important to measure. Even within viscosity, there are various aspects to consider such as: 

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Frequently Asked Questions: 

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What affects the rheological properties of coatings?
It's a lot more complex than many people know about their coatings. Your coatings depending on the formulation can vary in molecular structure, particle sizes, particle shapes, formulation with additives, and much more. The best you can do is to understand your sample and become confident in its behavior through viscosity measurements.
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What is the benefit of using VROC technology over alternative methods?

Simple reasons: 

  • Accuracy 
  • Obtaining the highest shear rates possible in the market
  • Closed system - anything volatile will be kept within a closed system. Also, have you heard of air interface? 
  • Easy to use 
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How many shear rates should I be testing my coatings at?

The main importance is to test it at comparable shear rates with how your coatings will be actually applied. This is the ideal conditions that you need to understand. 

In addition, when it comes to non-Newtonian samples, we recommend running AT LEAST three different shear rates to understand how your sample behaves over a wide variety of shear rates.