Designation:D2671−13StandardTestMethodsforHeat-ShrinkableTubingforElectricalUse1ThisstandardisissuedunderthefixeddesignationD2671;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thesetestmethodscoverthetestingofheat-shrinkabletubingusedforelectricalinsulation.Materialsusedincludepoly(vinylchloride),polyolefins,fluorocarbonpolymers,sili-conerubber,andotherplasticorelastomericcompounds.1.2Theproceduresappearinthefollowingsections:ProcedureSectionsASTMMethodReferenceAdhesivePeelStrength98–104BrittlenessTemperature40D746Color55and56D1535ColorStability57–62D1535Conditioning7D618CopperStability93CorrosionTesting89–95DielectricBreakdown20–25D149Dimensions8–13D876Flammability68–72D876FluidResistance63–67FungusResistance104–108HeatResistance49–54HeatShock26–30Low-TemperatureProperties36–43RestrictedShrinkage14–19SelectionofTestSpecimens6SecantModulus81–84D882StorageLife31–35SpecificGravity73and74D792StressModulus85–88D412TensileStrengthandUltimateElongation44–48D412ThermalEndurance96and97VolumeResistivity75–78D257WaterAbsorption79and80D570MeltingPoint104–108D34181.3Thisisafire-test-responsestandard.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptfortemperature,whichshallbeexpressedindegreesCelsius.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSections5and68.2.NOTE1—Thesetestmethodsaresimilar,butnotidenti...
