Dupont Krytox Properties Lubricants Consistency

Krytox Oil Viscosity

There are two measurements of viscosity: kinematic and dynamic, or absolute viscosity . The viscosity expressed here is kinematic viscosity, the ratio of dynamic or absolute viscosity to density . This is the value usually measured . It can be converted to dynamic viscosity using the following relation:

Kinematic viscosity x density = Dynamic viscosity (Centistokes, cSt x g/cc = Centipoise, cP)

Because of the high density of Chemours Krytox fluids, the dynamic is almost double the kinematic viscosity .

Choosing what viscosity of oil to use depends on the application . Generally, lower viscosity oils flow more readily and are used in operations where high speed is desired. High viscosity oils are preferred for low speeds or heavy loads . Since viscosity drops as temperature increases and rises as temperature decreases, the choice also depends on temperature . Thus, for the same reference temperature, a lower viscosity oil would be preferred for high speed operations and a higher viscosity oil would be preferred for low speeds . This typically applies to choosing a base oil for grease as well .

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