Kinematic Viscosity of Transparent and Opaque Liquids
(the Calculation of Dynamic Viscosity)

1.1 This test method specifies a procedure for the determination of the kinematic viscosity, of liquid petroleum products, both transparent and opaque, by measuring the time for a volume of liquid to flow under gravity through a calibrated glass capillary viscometer. The dynamic viscosity,  can be obtained by multiplying the measured kinematic viscosity by the density, of the liquid.

Note 1-For the measurement of the kinematic viscosity and viscosity of bitumens, see also Test Methods D-2170 and D-2171.

Also see:    Comparative Viscosity Classifications, D-445



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