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ASTM_D_5662_-_19a.pdf

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1、Designation:D566219aStandard Test Method forDetermining Automotive Gear Oil Compatibility with TypicalOil Seal Elastomers1This standard is issued under the fixed designation D5662;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the y

2、ear of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method2covers the determination of thecompatibility of automotive gear oils with specific nitrile,polyacr

3、ylate,and fluoroelastomer oil seal materials.1.2 Users of this test method should obtain Test MethodsD412,D471,and D2240 and become familiar with their usebefore proceeding with this test method.1.3 The values stated in SI units are to be regarded asstandard.No other units of measurement are include

4、d in thisstandard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations

5、 prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization Technic

6、alBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3D412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD471 Test Method for Rubber PropertyEffect of LiquidsD2240 Test Method for Rubber PropertyDurometer Hard-nessD5704 Test Method for Evaluation of the

7、 Thermal andOxidative Stability of Lubricating Oils Used for ManualTransmissions and Final Drive AxlesD5760 Specification for Performance of Manual Transmis-sion Gear LubricantsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications2.2 SAE Standard:4J2360 L

8、ubricating Oil,Gear Multipurpose(Metric)MilitaryUse3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 dumbbell,nthe specific cut shape(Die C)of anelastomer as explained in the section on dumbbell specimens inTest Methods D412.3.1.2 formulation,nthe specific chemical compositionuse

9、d in manufacturing a seal elastomer or a reference oil.3.1.3 percent ultimate elongation,nthe stretch length atrupture of an elastomer dumbbell oil-aged by running thisprocedure minus the rupture stretch length of an untesteddumbbell,all divided by rupture stretch length of the untesteddumbbell and

10、then multiplied by 100.3.1.4 percent volume change,nthe change in volume of atest specimen as explained in the procedure for change involume in Test Method D471.4.Summary of Test Method4.1 Non-reference oils are tested using a modified version ofTest Method D471 on specific elastomer compounds.Mea-s

11、ured quantities are percent ultimate elongation changes(fur-ther referred to as just percent elongation changes),durometerType A hardness changes,and percent volume changes.Ref-erence oils are run concurrently in the same oil bath to measureconsistency from one test to another.1This test method is u

12、nder the jurisdiction of ASTM Committee D02 onPetroleum Products,Liquid Fuels,and Lubricants and is the direct responsibility ofSubcommittee D02.B0.03 on Automotive Gear Lubricants&Fluids.Current edition approved Nov.1,2019.Published November 2019.Originallyapproved in 1995.Last previous edition app

13、roved in 2019 as D5662 19.DOI:10.1520/D5662-19A.2Until the next revision of this test method,the ASTM Test Monitoring Centerwill update changes in this test method by means of Information Letters;these canbe obtained from theASTM Test Monitoring Center,6555 PennAve.,Pittsburgh,Pa15206-4489.Attention

14、:Administrator.This edition incorporates revisions in allInformation Letters through No.19-2.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summa

15、ry page onthe ASTM website.4Available from Society of Automotive Engineers(SAE),400 CommonwealthDr.,Warrendale,PA 15096-0001,http:/www.sae.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-29

16、59.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.2 The duration of these tests is 240 h.The reference oilsare available from the ASTM Test Monitoring Center(TMC).5The seal materials are available through a Central P

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