1、Designation:D7465/D7465M15(Reapproved 2019)Standard Specification forEthylene Propylene Diene Terpolymer(EPDM)Sheet Used InGeomembrane Applications1This standard is issued under the fixed designation D7465/D7465M;the number immediately following the designation indicates theyear of original adoption
2、 or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers flexible sheet made fromethylene propylene diene terpolym
3、er(EPDM)geomembraneintended for use in geotechnical and geoenvironmental appli-cations.The tests and property limits used to characterize thesheet are values to ensure minimum quality for the intendeduse.The vulcanized rubber sheet may be non-reinforced,fabricor scrim reinforced.1.2 In-place geomemb
4、rane design criteria,such as fieldseaming strength and material compatibility,among others,arefactors that must be considered but are beyond the scope of thisspecification.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach s
5、ystem may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is therespons
6、ibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization
7、 established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplas-tic El
8、astomersTensionD471 Test Method for Rubber PropertyEffect of LiquidsD518 Test Method for Rubber DeteriorationSurfaceCracking(Withdrawn 2007)3D573 Test Method for RubberDeterioration in an AirOvenD624 Test Method for Tear Strength of Conventional Vul-canized Rubber and Thermoplastic ElastomersD751 Te
9、st Methods for Coated FabricsD1149 Test Methods for Rubber DeteriorationCracking inan Ozone Controlled EnvironmentD1204 Test Method for Linear Dimensional Changes ofNonrigid Thermoplastic Sheeting or Film at ElevatedTemperatureD1418 PracticeforRubberandRubberLaticesNomenclatureD2137 Test Methods for
10、 Rubber PropertyBrittleness Pointof Flexible Polymers and Coated FabricsD4439 Terminology for GeosyntheticsD4833/D4833M Test Method for Index Puncture Resistanceof Geomembranes and Related ProductsD5884 Test Method for Determining Tearing Strength ofInternally Reinforced GeomembranesD7004/D7004M Tes
11、t Method for Grab Tensile Properties ofReinforced GeomembranesD7635/D7635M Test Method for Measurement of Thicknessof Coatings Over Fabric ReinforcementG151 Practice for Exposing Nonmetallic Materials inAccel-erated Test Devices that Use Laboratory Light SourcesG155 Practice for Operating Xenon Arc
12、Light Apparatus forExposure of Non-Metallic Materials3.Terminology3.1 Definitions:3.1.1 For definitions of other geosynthetics terms used inthis specification,refer to Terminology D4439.3.1.2 composite,nfactory-laminated non-woven geotex-tile and EPDM.1This specification is under the jurisdiction of
13、 ASTM Committee D35 onGeosynthetics and is the direct responsibility of Subcommittee D35.06 on Geosyn-thetic Specifications.Current edition approved April 1,2019.Published April 2019.Originallyapproved in 2008.Last previous edition approved in 2015 as D7465/D7465M 15.DOI:10.1520/D7465_D7465M-15R19.2
14、For 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 Summary page onthe ASTM website.3The last approved version of this historical standard is reference
15、d onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopm
16、ent of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 3.1.3 EPDM,nterpolymer of ethylene,propylene,anddiene with the residual unsaturated portion of the diene in theside chain.D14184.Classification4.1 Types describe the sheet construction:4.1.1 Type INon-reinforced.4.1.2 Type IIScrim(or fabric)internally reinforced.5.Materials and Manufacture5.1 The sheet shall be formulated from EPDM polymers andother compoun