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I need to measure a machine for a liquid of which I know the viscosity (89 Kinetic Viscosity) but I don't have the liquid at hand. Is there a clever way of increasing viscosity of water to 89?

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  • $\begingroup$ Add something to it. But what about something like honey at a suitable temperature? $\endgroup$
    – Solar Mike
    Aug 30, 2023 at 12:21
  • $\begingroup$ @SolarMike actually I was just looking for a cheap and non wasteful solution. My liquid is Base Oil, I could buy some and test it, but now I have other concerns. My machine is a liquid filling machine. I am concerned if I use it with Base oil then base oil might solidify at nooks and crannys. I checked, the solidifying point is genereally 3-4 deg C less than pour point. The pour point of Base oil is -12 degrees C. I have never worked with base oil, can you tell whether I should be scared of solidification at regular tropical room temperature? $\endgroup$
    – John Snow
    Aug 30, 2023 at 12:34
  • $\begingroup$ water with enough sugar dissolved in it to make it very viscous is basically honey $\endgroup$
    – Tiger Guy
    Aug 30, 2023 at 13:53

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There are a whole class of chemicals called thickening agents used in the processed food industry which when dissolved in water, increase its viscosity. Some are used to thicken liquid foods so people who have difficulty swallowing can consume them; these are available in drug stores.

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  • $\begingroup$ Yes, like corn starch. But how to know I have reached the required kinetic and dynamic viscosity? $\endgroup$
    – John Snow
    Aug 31, 2023 at 7:53
  • $\begingroup$ with a viscometer. $\endgroup$ Aug 31, 2023 at 18:30

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