Designation:D3667−05(Reapproved2010)StandardSpecificationforRubberSealsUsedinFlat-PlateSolarCollectors1ThisstandardisissuedunderthefixeddesignationD3667;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoversthegeneralrequirementsformaterialsusedinrubbersealsofflat-platesolarcollectors,exceptverticallymountedpassivecollectors.Particularappli-cationsmaynecessitateotherrequirementsthatwouldtakeprecedenceovertheserequirementswhenspecified.1.2Thedesignrequirementpertainsonlytopermissibledeflectionsoftherubberduringthermalexpansionorcontrac-tionofthesealinuseandthetolerancesindimensionsofmoldedandextrudedseals.1.3Thisspecificationdoesnotincluderequirementsper-tainingtothefabricationorinstallationoftheseals.NOTE1—PracticesG151andG155areperformance-basedpracticesthatreplacePracticeG26citedinpreviousversionsofD3667.PracticeG26describedveryspecificdesignsfordevicesusedforxenonarcexposure.TheapparatusdescribedinPracticeG26iscoveredbythepracticesthatreplaceit.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5ThefollowingsafetyhazardscaveatpertainsonlytoSection9,TestMethods,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C661TestMethodforIndentationHardnessofElastomeric-TypeSealantsbyMeansofaDurometerC717TerminologyofBuildingSealsandSealantsC719TestMethodforAdhesionandCohesionofElasto-mericJointSealantsUnderCyclicMovement(HockmanCycle)D395TestMethodsforRubberProperty—Compress...