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ASTM-D6821:2007 Edition

ASTM-D6821:2007 Edition

$40.63

D6821-02(2007) Standard Test Method for Low Temperature Viscosity of Drive Line Lubricants in a Constant Shear Stress Viscometer

Published By Publication Date Number of Pages
ASTM 2007 5
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ASTM D6821-02-Reapproved2007

Historical Standard: Standard Test Method for Low Temperature Viscosity of Drive Line Lubricants in a Constant Shear Stress Viscometer

ASTM D6821

Scope

1.1 This test method covers the measurement of the viscosity of drive line lubricants (gear oils, automatic transmission fluids, and so forth) with a constant shear stress viscometer at temperatures from –40 to 10°C after a prescribed preheat and controlled cooling to the final test temperature.

1.2 The applicability of this particular test method to petroleum products other than drive line lubricants has not been determined.

1.3 This test method uses the millipascal second (mPa·s) as the unit of viscosity. One millipascal second is equal to one centipoise.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

apparent viscosity; low-temperature flow properties; low-temperature viscosity; mini-rotary viscometer; viscosity; yield stress; Apparent viscosity; Automatic transmission fluids; Calibration–petroleum analysis instrumentation; Drive line lubricants; Gear oils (GO); Low-temperature testing–petroleum products/applications; Low-temperature viscosity; Mini-rotary viscometer; Shear stress; Viscosity–petroleum products; Yield stress

ICS Code

ICS Number Code 75.100 (Lubricants, industrial oils and related products)

DOI: 10.1520/D6821-02R07

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Summary of Test Method
Significance and Use
Apparatus
Reagents and Materials
3 Sampling
Calibration
Procedure
4 Calculations
Report
Precision and Bias
Keywords
5 X1. MINI-ROTARY VISCOMETER PROFILE PROGRAM
X1.1
TABLE X1.1

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