ASTM International - ASTM D6821-02e1
Standard Test Method for Low Temperature Viscosity of Drive Line Lubricants in a Constant Shear Stress Viscometer
| Organization: | ASTM International |
| Publication Date: | 10 August 2002 |
| Status: | inactive |
| Page Count: | 5 |
| ICS Code (Lubricants, industrial oils and related products): | 75.100 |
significance And Use:
Viscosity of drive line lubricants at low temperature is critical for both gear lubrication and the circulation of the fluid in automatic transmissions. For gear oils (GOs), the issue is whether... View More
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 10C 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 (mPas) as the unit of viscosity. One millipascal second is equal to one centipoise.
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.
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