ASTM D4683-10

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Standard Test Method for Measuring Viscosity of New and Used Engine Oils at High Shear Rate and High Temperature by Tapered Bearing Simulator Viscometer at 150 degreesC

ASTM International , 10/01/2010

Category:
Guaranteed Safe Checkout

1.1 This test method covers the laboratory determination of the viscosity of engine oils at 150 °C and 1.0·106 s1 using a viscometer having a slightly tapered rotor and stator called the Tapered Bearing Simulator (TBS) Viscometer.