ASTM "Standard Test Method for Dynamic Viscosity and Density of Liquids by Stabinger Viscometer (and the Calculation of Kinematic Viscosity)"

ASTM D7042-2016E3 Standard Test Method for Dynamic Viscosity and Density (and Calculation of Kinematic Viscosity) of Liquids Using an Automated Viscosity Density Meter specifies a method for the simultaneous measurement of dynamic viscosity and density of transparent and opaque liquids petroleum products and crude oil using a Stabinger Viscosity meter. This method measures dynamic viscosity and density using swirl/spin concentric cylinders and oscillating U-shaped tubes, respectively, and kinematic viscosity is calculated by dividing dynamic viscosity by density. It is suitable for a wide range of applications, including newtonian fluids and some non-newtonian fluids, for viscosity and density measurement of a variety of liquid materials. The standard provides an efficient and accurate testing method for the quality control and performance evaluation of petroleum and related liquid products.

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