THE BUSINESS OF VISCOSITY BLOG



    Post Covid-19 New Normal

    Posted by Ian Porzondek

    May 6, 2020 9:30:00 AM

    The “new normal” is a phrase that I have been hearing and saying a lot lately. When the Covid-19 virus started circulating, I must admit that I could not fathom the impact that it would have and how each part of our lives would be affected. Now that we are in it and have accepted our present working conditions, it has become quite clear that a lot of things will not go back to “normal”. So, what does that mean exactly?

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    Topics: Manufacturing, Industrial finishing, industrial painting, viscometers

    Temperature Control – It’s Not Just for Dispensing Systems Anymore!

    Posted by Mike Bonner

    Feb 5, 2020 12:56:00 PM

    In this space we talk ad nauseum about the importance of temperature control to manufacturers who dispense critical fluids as a part of their process.  We focus on things like paint, sealers, adhesives, and so forth.  You can imagine my surprise when I saw the headline:

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    Topics: painting, viscometers, viscometry, temperature control systems, paint temperature control

    Why Efflux Cups Should not be Used for Process Control

    Posted by Mark Portelli

    Dec 18, 2019 10:47:00 AM

     

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    Topics: Zahn cups, Efflux Cups, coating, viscometers, flexographic printing, gravure printing, viscometry, non-newtonian fluids, ink management

    Why Can’t I Get a Reliable Viscosity Measurement on My Thixotropic Fluid with a Zahn Cup? – Part III

    Posted by Mike Bonner

    Aug 13, 2019 4:14:00 PM

    In Part II of this series, we continued our discussion on viscosity by tackling the topic of thixotropy.  With this defined, we can now circle back to bring it all together and show how different measurement methods produce different results and how our measurement choices can actually work against us.

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    Topics: Zahn cups, Efflux Cups, fluid process control, viscometers, viscometry, non-newtonian fluids

    Why Can’t I Get a Reliable Viscosity Measurement on My Thixotropic Fluid with a Zahn Cup? – Part II

    Posted by Mike Bonner

    Aug 6, 2019 3:38:00 PM

    In Part I of this series, we examined some of the issues with the viscosity cup measurement process and started to look at the fundamentals of fluid viscosity as a means of explaining the source of those problems.  In this installment, we pick up the discussion with a somewhat difficult topic:  thixotropy.

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    Topics: Zahn cups, Efflux Cups, fluid process control, viscometers, viscometry, non-newtonian fluids

    Why Can’t I Get a Reliable Viscosity Measurement on My Thixotropic Fluid with a Zahn Cup? – Part I

    Posted by Mike Bonner

    Jul 30, 2019 10:28:00 AM

    Manufacturers who dispense fluids in their process (i.e. – paints and coatings, sealers and adhesives, potting compounds and encapsulants, etc.) all understand that the viscosity of that fluid is fundamental to the process out

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    Topics: Zahn cups, Efflux Cups, fluid process control, viscometers, viscometry, non-newtonian fluids

    What to Look for When Purchasing a Viscometer

    Posted by Mike Bonner

    Dec 3, 2017 1:03:00 PM

    Viscometers are essential when it comes to managing the viscosity of fluids in your industrial processes. Without managing viscosity, you may run into any number of problems with your product, ranging from inconsistent color and various finish and/or texture imperfections to too much ink or solvent usage.

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    Topics: Viscosity, viscometers, Viscometer Series, buying a viscometer

    Measuring the Different Types of Viscosity with Viscometers

    Posted by Mike Bonner

    Nov 30, 2017 3:01:00 PM

    Kinematic, dynamic, relative, apparent, absolute — when dealing with viscosity measurements using a viscometer, you will likely come across these words. They refer to the different types (or coefficient values) of viscosity that can be measured in a fluid.

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    Topics: Viscosity, viscometers, Viscometer Series

    Picking Up Where Sir Isaac Newton Left Off: Newtonian vs. Non-Newtonian Fluids

    Posted by Mike Bonner

    Nov 26, 2017 12:52:00 PM

    Not every fluid behaves like water. This might seem like a commonsense idea, but there’s quite a bit of physics behind it — it sums up the difference between Newtonian and non-Newtonian fluids.

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    Topics: Viscosity, viscometers, Viscometer Series, newtonian fluids, non-newtonian fluids

    Viscometers vs. Rheometers: What’s the Difference?

    Posted by Mike Bonner

    Nov 23, 2017 3:00:00 PM

    When you’re looking to purchase a viscometer to help you maintain proper viscosity in your printing, coating, or painting processes, you may come across another category of viscosity measuring devices known as rheometers. Rheometers are similar in principle to viscometers, but they tend to be more expensive. Part of the reason for this is that they have a much broader range of applications.

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    Topics: Viscosity, viscometers, Viscometer Series, rheometry, viscometry, rheology

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