Designation:C1785−17StandardTestMethodforConcentrationofPinholeDetectionsinMoistureBarriersonMetalJacketing1ThisstandardisissuedunderthefixeddesignationC1785;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthecon-centrationofpinholedetectionsinamoisturebarrierfilmorcoatingthatisappliedtotheinteriorsurfaceofmetaljacketing.1.2Sincethismethodreliesonthecompletionthroughthemetaljacketingofanelectricalcircuit,thismethodisonlyapplicabletojacketingthatiselectricallyconductiveandhasamoisturebarrierappliedwhichisnotelectricallyconductive.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C168TerminologyRelatingtoThermalInsulationC1729SpecificationforAluminumJacketingforInsulationC1767SpecificationforStainlessSteelJacketingforInsula-tionE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethodsE691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethod3.Terminology3.1Definitions—DefinitionsinTerminologyC168applytotermsusedinthisspecification.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1co...
