Designation:E1069−85(Reapproved2009)StandardTestMethodforTestingPolymericSealMaterialsforGeothermalorHighTemperatureService,orboth,UnderSealingStress1ThisstandardisissuedunderthefixeddesignationE1069;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheinitialevaluationof(screen-ing)polymericmaterialsforsealsunderstaticsealingstressandatelevatedtemperatures.1.2ThistestmethodappliestogeothermalserviceonlyifusedinconjunctionwithTestMethodE1068.1.3Thetestfluidisdistilledwater.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1414TestMethodsforRubberO-RingsE1068TestMethodforTestingNonmetallicSealMaterialsbyImmersioninaSimulatedGeothermalTestFluid2.2SAEStandard:ANSI/SAEAS568AAerospaceSizeStandardforO-Rings33.SummaryofTestMethod3.1StandardO-ringspecimensaretestedinatestfixturethathasacloselycontrolledextrusiongap.3.2Temperatureisappliedtothetestfixture,withtestspecimens,andthenpressureisapplied.3.3Thetestfluidisdistilledwater.3.4Testpressureandtemperaturearemaintaineduntilspecimensealleaksoruntiltheendofprescribedduration.3.5Morethanonespecimenmaybetestedatonetimeinthefixture.4.SignificanceandUse4.1Staticsealfailuresarepredominatelyduetoincompat-ibilitywithmedia,degradationbytemperatureextremes,andextrusionstress.Thistestmethodmaybeusedforrelativeperformanceevaluationscreening,andisnormallythesecondstageofthescreeningprocessafterimmersiontestinginaccordancewithTestMethodE1068.4.2Thistestmethodshowsrelativeperf...
