Three tips for testing viscosity of
defoamer/antifoaming

Many customers make certain demands on the viscosity of the Defoamer when purchasing the product, but the different supplier has different standard, how to check the authenticity of the corresponding viscosity coefficient? Now let Invely help you.
Temperature affects viscosity
The temperature will affect defoamer viscosity seriously.the viscosity of viscosity of defoamer will be relatively higher in winter under normal circumstances, but the viscosity of the defoamer will be lower in the summer. In this case, if you test the viscosity of the defoamer, you must pay attention to the room temperature. It is recommended that you try to keep the room temperature at about 23 degrees when testing the viscosity. This will ensure the uniformity of the viscosity test.Speed Viscosity Tester or Mechanical Viscosity Tester?
Many customers will encounter such a problem when testing the viscosity of defoamer. which one is better?Speed Viscosity Tester or Mechanical Viscosity Tester? In fact, every instrument has its own advantages, but it also has its own shortcomings. so we must use it instrument correctly,and then they can test the viscosity accurately. The speed-sensitive viscosity test should pay attention to whether the viscosity of the defoaming agent is consistent in the surface and bottom layers of the package, otherwise the test result is not accurate; and the mechanical viscosity test should pay attention to the rotation speed.Points of attention when testing
In addition to the instrument and temperature during the test, there is also a point to note that the defoamer should be thoroughly stirred and then tested. Because the defoamer in the upper layer will be thinner, and the lower layer will be thicker after transported,Therefore, for accurate testing, it is necessary to thoroughly stir the defoamer before it can be measured.The above is some tips of the viscosity test. I believe that if you can pay attention to the above points during the test, it can help you correctly test the viscosity of defoamer to help you produce.

https://www.linkedin.com/company/china-defoamer
https://www.ywlchemical.com/three-tips-for-testing-viscosity-of-defoamer-antifoaming/
https://www.ywlchemical.com/products/foam-control-agent/silicon-defoamer/
Edit by Invelychem
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