Dynamic viscosity
The viscosity of a fluid can be called absolute or dynamic and has unit measurement mPa or centipois (cP).

To precisely produce the dynamic viscosity with the help of a viscosimeter is a complicated and time consuming procedure. The usual way to measure dynamic viscosity at low temperature is to use a "Cold Cranking Simulator (CCS)", a testing method based on ASTM D2602. The method is used for determining the viscosity of the engine oil at -18 degree and the measurement unit is expressed in centipois (cP).