Designation:E1068−85(Reapproved2009)StandardTestMethodforTestingNonmetallicSealMaterialsbyImmersioninaSimulatedGeothermalTestFluid1ThisstandardisissuedunderthefixeddesignationE1068;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversaprocedureforalaboratorytestforperforminganinitialevaluation(screening)ofnonmetallicsealmaterialsbyimmersioninasimulatedgeothermaltestfluid.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSection6and11.7.2.ReferencedDocuments2.1ASTMStandards:2D395TestMethodsforRubberProperty—CompressionSetD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD471TestMethodforRubberProperty—EffectofLiquidsD575TestMethodsforRubberPropertiesinCompressionD1415TestMethodforRubberProperty—InternationalHardnessD2240TestMethodforRubberProperty—DurometerHard-ness2.2ASMEStandard:BoilerandPressureVesselCode,SectionVIII33.SummaryofTestMethod3.1Separatesetsofmaterialspecimensaresubjectedtoboththetestliquidanditsvaporatsaturationconditionsatthetesttemperature.3.2Specimensexposedtothetestfluidforagiventestmaybefromasinglematerialtopreventinteractionbetweendissimilarmaterials.3.3Thesamplesshallbeunstressedduringexposuretothetestfluid.3.4Testsofmechanicalandphysicalpropertiesshallbeperformedonspecimensbeforeandafterimmersiontesting.4.SignificanceandUse4.1Thistestmethodisintendedforlaboratoryscreeningofmaterials.Duetolargedifferencesinthecomposition,pressure,andtemperatureofgeothermalflui...
