ASTM D6922-13
(Test Method)Standard Test Method for Determination of Homogeneity and Miscibility in Automotive Engine Oils
Standard Test Method for Determination of Homogeneity and Miscibility in Automotive Engine Oils
SIGNIFICANCE AND USE
5.1 It is important that engine oils from different manufacturers be homogeneous and miscible with each other, because operators of automotive engines often do not have prior knowledge of the manufacturer of the oil that is currently used in their application, and engine failure can occur if oils are combined that do not stay homogeneous and function properly.
SCOPE
1.1 This test method covers the determination if an automotive engine oil is homogeneous and will remain so, and if it is miscible with certain standard reference oils after being submitted to a prescribed cycle of temperature changes. This test method is very similar to the homogeneity and miscibility test described in FED–STD–791/3470.1.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 WARNING—Mercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA’s website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.
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.
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Designation: D6922 − 13
Standard Test Method for
Determination of Homogeneity and Miscibility in Automotive
1
Engine Oils
This standard is issued under the fixed designation D6922; 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.
1. Scope* D5844Test Method for Evaluation of Automotive Engine
Oils for Inhibition of Rusting (Sequence IID) (Withdrawn
1.1 Thistestmethodcoversthedeterminationifanautomo-
3
2003)
tive engine oil is homogeneous and will remain so, and if it is
D6557Test Method for Evaluation of Rust Preventive Char-
miscible with certain standard reference oils after being sub-
acteristics of Automotive Engine Oils
mitted to a prescribed cycle of temperature changes. This test
E1Specification for ASTM Liquid-in-Glass Thermometers
method is very similar to the homogeneity and miscibility test
E344Terminology Relating to Thermometry and Hydrom-
described in FED–STD–791/3470.1.
etry
1.2 The values stated in SI units are to be regarded as 4
2.2 Federal Test Method Standard:
standard. No other units of measurement are included in this
FED–STD–791/3470.1HomogeneityandMiscibilityofOils
standard.
3. Terminology
1.3 WARNING—Mercury has been designated by many
regulatory agencies as a hazardous material that can cause 3.1 Definitions:
central nervous system, kidney and liver damage. Mercury, or 3.1.1 calibrate, v—todeterminetheindicationoroutputofa
its vapor, may be hazardous to health and corrosive to measuring device with the respect of that of a standard. E344
materials.Cautionshouldbetakenwhenhandlingmercuryand
3.1.2 homogeneity, n—theabilityofatestoilitselftoremain
mercury containing products. See the applicable product Ma-
the same in appearance throughout (uniform) after submission
terial Safety Data Sheet (MSDS) for details and EPA’s
to a series of temperature changes.
website—http://www.epa.gov/mercury/faq.htm—for addi-
3.1.3 miscibility, n—theabilityofareferenceoilandtestoil
tional information. Users should be aware that selling mercury
to form a uniform mixture after blending and not separate into
and/or mercury containing products into your state or country
twophasesaftersubmissiontoaseriesoftemperaturechanges.
may be prohibited by law.
3.1.4 reference oil, n—an oil of known performance
1.4 This standard does not purport to address all of the
characteristics, used as a basis for comparison.
safety concerns, if any, associated with its use. It is the
3.1.4.1 Discussion—Reference oils are used to calibrate
responsibility of the user of this standard to establish appro-
testing facilities, to compare the performance of other oils, or
priate safety and health practices and determine the applica-
to evaluate other materials (such as seals) that interact with
bility of regulatory limitations prior to use.
oils. D5844
2. Referenced Documents
3.1.5 specimen, n—a piece or portion of test oil used to
2
make a test.
2.1 ASTM Standards:
3.1.6 test oil, n—any oil subjected to evaluation in an
D97Test Method for Pour Point of Petroleum Products
D4057Practice for Manual Sampling of Petroleum and established procedure. D6557
Petroleum Products
4. Summary of Test Method
4.1 Visual color determinations and observations are made
1
This test method is under the jurisdiction of ASTM Committee D02 on
on an undiluted test oil specimen, along with six blends of the
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
D02.B0 on Automotive Lubricants. same test oil that have been combined with specific reference
Current edition approved May 1, 2013. Published May 2013. Originally
approved in 2003. Last previous edition approved in 2011 as D6922–11.
3
DOI:10.1520/D6922-13. The last approved version of this historical standard is referenced on
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or www.astm.org.
4
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM AvailablefromU.S.GovernmentPrintingOfficeSuperintendentofDocuments,
Standards volume information, refer to the standard’s Document Summary page on 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
the ASTM website. www.access.gpo.gov.
*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
---------------------- Page: 1 ----------------------
D6922 − 13
oils.Thepourpointisthendeterminedfortheundilutedtestoil manufacturer’s instructions for calibration, adjustment, and
specimen and the six blends. The undiluted test oil specimen operation of t
...
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: D6922 − 11 D6922 − 13
Standard Test Method for
Determination of Homogeneity and Miscibility in Automotive
1
Engine Oils
This standard is issued under the fixed designation D6922; 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.
1. Scope Scope*
1.1 This test method covers the determination if an automotive engine oil is homogeneous and will remain so, and if it is
miscible with certain standard reference oils after being submitted to a prescribed cycle of temperature changes. This test method
is very similar to the homogeneity and miscibility test described in FED–STD–791/3470.1.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 WARNING—Mercury has been designated by many regulatory agencies as a hazardous material that can cause central
nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution
should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet
(MSDS) for details and EPA’s website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware
that selling mercury and/or mercury containing products into your state or country may be prohibited by law.
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
2
2.1 ASTM Standards:
D97 Test Method for Pour Point of Petroleum Products
D4057 Practice for Manual Sampling of Petroleum and Petroleum Products
3
D5844 Test Method for Evaluation of Automotive Engine Oils for Inhibition of Rusting (Sequence IID) (Withdrawn 2003)
D6557 Test Method for Evaluation of Rust Preventive Characteristics of Automotive Engine Oils
E1 Specification for ASTM Liquid-in-Glass Thermometers
E344 Terminology Relating to Thermometry and Hydrometry
4
2.2 Federal Test Method Standard:
FED–STD–791/3470.1 Homogeneity and Miscibility of Oils
3. Terminology
3.1 Definitions:
3.1.1 calibrate, v—to determine the indication or output of a measuring device with the respect of that of a standard. E344
3.1.2 homogeneity, n—the ability of a test oil itself to remain the same in appearance throughout (uniform) after submission to
a series of temperature changes.
3.1.3 miscibility, n—the ability of a reference oil and test oil to form a uniform mixture after blending and not separate into two
phases after submission to a series of temperature changes.
3.1.4 reference oil, n—an oil of known performance characteristics, used as a basis for comparison.
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products and Lubricants and is the direct responsibility of Subcommittee D02.B0 on
Automotive Lubricants.
Current edition approved July 1, 2011May 1, 2013. Published August 2011May 2013. Originally approved in 2003. Last previous edition approved in 20032011 as
D6922–03.D6922 – 11. DOI: 10.1520/D6922-11. DOI:10.1520/D6922-13.
2
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.
3
The last approved version of this historical standard is referenced on www.astm.org.
4
Available from U.S. Government Printing Office Superintendent of Documents, 732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401, http://
www.access.gpo.gov.
*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
---------------------- Page: 1 ----------------------
D6922 − 13
3.1.4.1 Discussion—
Reference oils are used to calibrate testing facilities, to compare the performance of other oils, or to evaluate other materials (such
as seals) that interact with oils. D5844
3.1.5 specimen, n—a piece or portion of test oil used to make a test.
3.1.6 test oil, n—any oil subjected to evaluation in an established proced
...
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