Designation:D69−12StandardTestMethodsforFrictionTapes1ThisstandardisissuedunderthefixeddesignationD69;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thesetestmethodscoverthemethodsandproceduresfortestingfrictiontapes.Suchtapesconsistofawovenfabricsheetingthathasbeenimpregnatedwithanadhesiveinsulatingcompoundandcutintorollsofnarrowwidth.Thesetapesarecommonlyusedforprotectingandbindinginplace,insulationappliedtojointsofelectricalwiresandcables,andforothermechanicalpurposes.NOTE1—ThematerialspecificationsformerlyincludedinthesetestmethodsarenowcontainedinSpecificationD4514.1.2Thetestmethodsincludedinthisstandardareasfollows:SectionsAdhesion6–11AgedAdhesion12–17BreakingStrength18–23DielectricBreakdownVoltage24–29Dimensions30–35DiscolorationofCopper36–40Parallelism41–451.3Thevaluesstatedininch-poundunitsarethestandard.TheSIunitsinparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE2—ThereisnoequivalentIECstandard.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD412TestMethodsforVulcanizedRubberandThermoplas-ticElastomers—TensionD1711TerminologyRelatingtoElectricalInsulationD4514SpecificationforFrictionTapeD5423SpecificationforForced-ConvectionLaboratoryOv-ensforEvaluationofElectricalInsulationD6054PracticeforConditioningElectricalInsulatingMate-rialsforTesting(Withdrawn2012)33.Terminology3.1Definitions:3.1.1Fordefinitionsofotherte...
