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Viscosity units: Definitions and conversions of centistokes and centipoise

2012-05-09View Original

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The units of viscosity are centistokes and centipoise. Centistokes (cst) is the smallest unit for dynamic viscosity, while centipoise (cP) is the smallest unit for static viscosity. Dynamic viscosity is a measure of the internal friction force that arises when a liquid flows under the effect of gravity; it is expressed as the ratio of a liquid’s dynamic viscosity to its density at the same temperature, and in the International System of Units it is denoted in mm2/s. Dynamic viscosity is a measure of the internal friction force experienced by a liquid as it flows under certain shear stress; its value is the ratio of the shear stress applied to the flowing liquid to its shear rate. In the International System of Units, it is expressed in Pa·s, while it is commonly denoted by cP. 1cP = 10-3Pa·s.
Reply #22012-05-09
Inference: cst in centipoise = pascals·second per milliliter divided by density in g/ml
Reply #32012-05-13
So, may I ask! Silicone with a viscosity of 100,000 centipoise – what kind of everyday item does that correspond to (like honey, for example?) )?
Reply #42012-06-11
It’s similar to chewing gum, with a viscosity much higher than that of honey. There aren’t enough characters!
Reply #52012-06-17
It’s definitely more viscous than honey; I think it’s similar to that thick maltose or syrup (not cough syrup, oh). Hehe.

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