ASTM D6821-02e1

Standard Test Method for Low Temperature Viscosity of Drive Line Lubricants in a Constant Shear Stress Viscometer (Includes all amendments And changes 2/18/2021).

Automatically translated name:

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

STANDARD published on 10.8.2002

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The information about the standard:

Designation standards: ASTM D6821-02e1
Note: WITHDRAWN
Publication date standards: 10.8.2002
SKU: NS-36661
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D6821-02e1 :

Keywords:

apparent viscosity, low-temperature flow properties, low-temperature viscosity, mini-rotary viscometer, viscosity, yield stress, ICS Number Code 75.100 (Lubricants, industrial oils and related products)

Additional information

1. 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 (mPaμs) 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.

2. Referenced Documents

D4684-20a	Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Engine Oils at Low Temperature (Includes all amendments and changes 11/17/2020).
ISO Guide 34	General Requirements for the Competence of Reference Material Producers
D2983-23	Standard Test Method for Low-Temperature Viscosity of Automatic Transmission Fluids, Hydraulic Fluids, and Lubricants using a Rotational Viscometer
D3829-20a	Standard Test Method for Predicting the Borderline Pumping Temperature of Engine Oil (Includes all amendments and changes 11/12/2020).
E563-22	Standard Practice for Preparation and Use of an Ice-Point Bath as a Reference Temperature
ISO 17025	General Requirements for the Competence of Testing and Calibration Laboratories
E2877-12(2019)	Standard Guide for Digital Contact Thermometers
E1137-97	Standard Specification for Industrial Platinum Resistance Thermometers
E644-11(2025)	Standard Test Methods for Testing Industrial Resistance Thermometers
D6896-25	Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Used Engine Oils at Low Temperature

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