Designation:D6434−12(Reapproved2018)StandardGuidefortheSelectionofTestMethodsforFlexiblePolypropyleneGeomembranes1ThisstandardisissuedunderthefixeddesignationD6434;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversrecommendationsfortheselectionofappropriatetestmethodsforflexiblepolypropylenesheetusedingeomembraneapplicationstoprovideconsistencyindatareporting.1.2Thisguideincludestestmethodsforthreetypesofflexiblepolypropylenegeomembranes,includingsmoothnon-reinforcedsheet,texturednonreinforcedsheet,andscrim-reinforcedsheet.1.3Thisguideisintendedtoaidallpersonnelinvolvedintheselection,manufacture,installation,orevaluationofflex-iblepolypropylenegeomembranesheet.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D471TestMethodforRubberProperty—EffectofLiquidsD573TestMethodforRubber—DeteriorationinanAirOvenD618PracticeforConditioningPlasticsforTestingD696TestMethodforCoefficientofLinearThermalExpan-sionofPlasticsBetween−30°Cand30°CwithaVitreousSilicaDilatometerD746TestMethodforBrittlenessTemperatureofPlasticsandElastomersbyImpactD751TestMethodsforCoatedFabricsD790TestMethodsforFlexuralPropertiesofUnreinforcedandReinforcedPlasticsandElectricalInsulatingMateri-alsD792TestMethodsforDensityandSpecificGravity(Rela-tiv...
