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3. Rheological characteristics
3.1 Viscosity
See Viscosity
Of all the properties of oils, viscosity is certainly the most important. It determines most frictional losses and the thickness of oil films.
Viscosity characterizes a fluid's resistance to flow. The viscosity given in suppliers' technical data sheets is kinematic viscosity, which is easier to measure than dynamic viscosity.
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Rheological characteristics
Surface characteristics
