Designation:D69−19StandardTestMethodsforFrictionTapes1ThisstandardisissuedunderthefixeddesignationD69;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thesetestmethodscoverthemethodsandproceduresfortestingfrictiontapes.Suchtapesconsistofawovenfabricsheetingthathasbeenimpregnatedwithanadhesiveinsulatingcompoundandcutintorollsofnarrowwidth.Thesetapesarecommonlyusedforprotectingandbindinginplace,insulationappliedtojointsofelectricalwiresandcables,andforothermechanicalpurposes.NOTE1—ThematerialspecificationsformerlyincludedinthesetestmethodsarenowcontainedinSpecificationD4514.1.2Thetestmethodsincludedinthisstandardareasfollows:SectionsAdhesion6–11AgedAdhesion12–17BreakingStrength18–23DielectricBreakdownVoltage24–29Dimensions30–35DiscolorationofCopper36–40Parallelism41–451.3Units—ThevaluesstatedinSIunitsarethestandard.Theinch-poundunitsinparenthesesareforinformationonly.Thevaluesstatedineachsystemarenotnecessarilyexactequivalents;therefore,toensureconformancewiththestandard,eachsystemshallbeusedindependentlyoftheother,andvaluesfromthetwosystemsshallnotbecombined.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE2—ThereisnoequivalentIECstandard.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D14...
