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ASTM WK28014

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Work Item: ASTM WK28014 - Revision of D4683 - 09 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 °C


Active Standard: D4683 - 10

Developed by Subcommittee: D02.07 | Committee D02 Home | Contact Staff Manager



1. Rationale

The SAE EOVC task force is working to revise SAE J300 to add one or more new engine oil grades which will have HTHS viscosities below the current range of viscosities covered by the test method precision statement. We will be conducting an ILS to develop an updated precision statement for viscosities between 1.4 mPa.s and 5.0 mPa.s at 150 degrees Celsius.


Keywords

dynamic viscosity; engine oils; high shear rate viscosity; high shear viscosity; high temperature viscosity; high shear rate viscosity at 150 °C; rotational viscometer; Tapered Bearing Simulator Viscometer; TBS; used engine oils; Automotive engine fuels/oils; Calibration--petroleum analysis instrumentation; Fuel oils; Loading tests--petroleum products; Lubricating oils; Newtonian fluids; Non-Newtonian fluids; Rotor position value; Shear testing--petroleum products; Tapered bearing simulator; Temperature tests--petroleum products; Torque--petroleum materials/applications; Viscometers--tapered bearing simulator-viscometer (TBS)

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Work Item Status:
Date Initiated:03-08-2010
Technical Contact: Theodore Selby

Status: Draft Under Development

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