ASTM D4683-20
(Test Method)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
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
SIGNIFICANCE AND USE
5.1 Viscosity values at the shear rate and temperature of this test method have been indicated to be related to the viscosity providing hydrodynamic lubrication in automotive and heavy duty engines in severe service.7
5.2 The viscosities of engine oils under such high temperatures and shear rates are also related to their effects on fuel efficiency and the importance of high shear rate, high temperature viscosity has been addressed in a number of publications and presentations.7
SCOPE
1.1 This test method covers the laboratory determination of the viscosity of engine oils at 150 °C and 1.0·106 s−1 using a viscometer having a slightly tapered rotor and stator called the Tapered Bearing Simulator (TBS) Viscometer.2
1.2 The Newtonian calibration oils used to establish this test method range from approximately 1.2 mPa·s to 7.7 mPa·s at 150 °C. The precision has only been determined for the viscosity range 1.47 mPa·s to 5.09 mPa·s at 150 °C for the materials listed in the precision section.
1.3 The non-Newtonian reference oil used to establish the shear rate of 1.0·106 s−1 for this test method has a viscosity closely held to 3.55 mPa·s at 150 °C by using the absolute viscometry of the TBS.
1.4 Manual, semi-automated, and fully automated TBS viscometers were used in developing the precision statement for this test method.
1.5 Application to petroleum products such as base oils and formulated engine oils was determined in preparing the viscometric information for this test method.
1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6.1 This test method uses the milliPascal·second (mPa·s) as the unit of viscosity. This unit is equivalent to the centipoise (cP).
1.7 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.8 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D4683 − 20
Standard Test Method for
Measuring Viscosity of New and Used Engine Oils at High
Shear Rate and High Temperature by Tapered Bearing
1
Simulator Viscometer at 150 °C
This standard is issued under the fixed designation D4683; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter-
1.1 This test method covers the laboratory determination of
6 −1 mine the applicability of regulatory limitations prior to use.
the viscosity of engine oils at 150°C and 1.0·10 s using a
1.8 This international standard was developed in accor-
viscometer having a slightly tapered rotor and stator called the
2 dance with internationally recognized principles on standard-
Tapered Bearing Simulator (TBS) Viscometer.
ization established in the Decision on Principles for the
1.2 TheNewtoniancalibrationoilsusedtoestablishthistest
Development of International Standards, Guides and Recom-
method range from approximately 1.2mPa·s to 7.7 mPa·s at
mendations issued by the World Trade Organization Technical
150°C. The precision has only been determined for the
Barriers to Trade (TBT) Committee.
viscosity range 1.47mPa·s to 5.09 mPa·s at 150°C for the
materials listed in the precision section.
2. Referenced Documents
3
1.3 The non-Newtonian reference oil used to establish the 2.1 ASTM Standards:
6 −1
shear rate of 1.0·10 s for this test method has a viscosity
D4741Test Method for Measuring Viscosity at High Tem-
closely held to 3.55 mPa·s at 150°C by using the absolute peratureandHighShearRatebyTapered-PlugViscometer
viscometry of the TBS. D5481Test Method for Measuring Apparent Viscosity at
High-TemperatureandHigh-ShearRatebyMulticellCap-
1.4 Manual, semi-automated, and fully automated TBS
illary Viscometer
viscometers were used in developing the precision statement
D6300Practice for Determination of Precision and Bias
for this test method.
Data for Use in Test Methods for Petroleum Products,
1.5 Application to petroleum products such as base oils and
Liquid Fuels, and Lubricants
formulated engine oils was determined in preparing the visco-
D6708Practice for StatisticalAssessment and Improvement
metric information for this test method.
of Expected Agreement Between Two Test Methods that
1.6 The values stated in SI units are to be regarded as Purport to Measure the Same Property of a Material
4,5
standard. No other units of measurement are included in this 2.2 Coordinating European Council (CEC) Standard:
standard.
CEC L-36-90 The Measurement of Lubricant Dynamic
1.6.1 This test method uses the milliPascal·second (mPa·s) Viscosity under Conditions of High Shear
6,5
astheunitofviscosity.Thisunitisequivalenttothecentipoise
2.3 Energy Institute Standard:
(cP). IP 370Test Method for the Measurement of Lubricant
DynamicViscosityUnderConditionsofHighShearUsing
1.7 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1
This test method is under the jurisdiction of ASTM Committee D02 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Standards volume information, refer to the standard’s Document Summary page on
Subcommittee D02.07 on Flow Properties. the ASTM website.
4
Current edition approved June 1, 2020. Published June 2020. Originally Available from Coordinating European Council (CEC), Services provided by
approved in 1987. Last previous edition approved in 2017 as D4683–17. DOI: Kellen Europe, Avenue Jules Bordet 142 - 1140, Brussels, Belgium, http://
10.1520/D4683-20. www.cectests.org.
2 5
The sole source of supply of the apparatus known to the committee at this time This test method is technically identical to that described in CEC L-36 (under
is Tannas Co., 4800 James Savage Rd., Midland, MI 48642. If you are aware of the jurisdiction of the CEC Engine Lubricants Technical Committee) and IP 370
alternative suppliers, please provide this information to ASTM International references CEC L-036.
6
Headquarters.Your comments will receive careful consideration at a meeting of the Available from Energy Institute, 61
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D4683 − 17 D4683 − 20
Standard Test Method for
Measuring Viscosity of New and Used Engine Oils at High
Shear Rate and High Temperature by Tapered Bearing
1
Simulator Viscometer at 150 °C
This standard is issued under the fixed designation D4683; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
6 −1
1.1 This test method covers the laboratory determination of the viscosity of engine oils at 150 °C and 1.0·10 s using a
2
viscometer having a slightly tapered rotor and stator called the Tapered Bearing Simulator (TBS) Viscometer.
1.2 The Newtonian calibration oils used to establish this test method range from approximately 1.2 mPa·s to 7.7 mPa·s at
150 °C. The precision has only been determined for the viscosity range 1.47 mPa·s to 5.09 mPa·s at 150 °C for the materials listed
in the precision section.
6 −1
1.3 The non-Newtonian reference oil used to establish the shear rate of 1.0·10 s for this test method has a viscosity closely
held to 3.55 mPa·s at 150 °C by using the absolute viscometry of the TBS.
1.4 Manual, semi-automated, and fully automated TBS viscometers were used in developing the precision statement for this test
method.
1.5 Application to petroleum products such as base oils and formulated engine oils was determined in preparing the viscometric
information for this test method.
1.6 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.6.1 This test method uses the milliPascal·second (mPa·s) as the unit of viscosity. This unit is equivalent to the centipoise (cP).
1.7 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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory limitations prior to use.
1.8 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
3
2.1 ASTM Standards:
D4741 Test Method for Measuring Viscosity at High Temperature and High Shear Rate by Tapered-Plug Viscometer
D5481 Test Method for Measuring Apparent Viscosity at High-Temperature and High-Shear Rate by Multicell Capillary
Viscometer
D6300 Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products, Liquid Fuels, and
Lubricants
D6708 Practice for Statistical Assessment and Improvement of Expected Agreement Between Two Test Methods that Purport
to Measure the Same Property of a Material
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.07 on Flow Properties.
Current edition approved Jan. 1, 2017June 1, 2020. Published Febraury 2017June 2020. Originally approved in 1987. Last previous edition approved in 20132017 as
D4683 – 13.D4683 – 17. DOI: 10.1520/D4683-17.10.1520/D4683-20.
2
The sole source of supply of the apparatus known to the committee at this time is Tannas Co., 4800 James Savage Rd., Midland, MI 48642. If you are aware of alternative
suppliers, please provide this information to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical
1
committee, which you may attend.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D4683 − 20
4,5
2.2 Coordinating European Council (CEC) Standard:
CEC L-36-90 The Measurement of Lubricant Dynamic Viscosity under
...
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