90092760039274TûL=k-9ANSIIASTMD119-78AMERICANSOCIETYFORTESTINGANDMATERIALS1016RaaSt..Phllid*lphla.Pa.,10103ReprintedIromlheAnnurlBookofASTMStrndrrdr.CopyrightASTMIfnotlistedinthecurnntcombinedIndex.willawrrinthenext&¡tion.StandardSpecificationforLOW-VOLTAGERUBBERINSULATINGTAPE'ThisstandardisissuedunderthefixeddesignationD119;thenumberimmediatelyfollowingthedesignationindicatestheyearofonginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.ThissecificationhasbeenapprovedforusebyagenciesoftheDepartmentofDefenseandforlistingintheDoDIndexofSpecikaiionsandStandarb.1.scope1.1Thisspecificationcoverslow-voltagerubberinsulatingtapedesignedforsplicingelectricalwiresandcablesoperatingupto2000voltsphasetophaseindrylocationswithconductortemperaturesupto75°C(167°F)forcontinuousoperation,to95°C(203°F)foremergencyoverloadconditions,andto150°C(302°F)forshortcircuitcondi-tions.Thistapeissuitableforoutdooruse,butmustbeoverwrappedtoprotectfromozoneattackandfromultravioletradiation.Thistapemaybeappliedunderanambienttemperaturerangeof-10°C(+14"F)to+40°C(104°F).2.ApplicableDocuments2.1ASTMStandards:D149TestsforDielectricBreakdownVolt-ageandDielectricStrengthofElectricalInsulatingMaterialsatCommercialPowerFrequencies2D297ChemicalAnalysisofRubberProd-ucts3D412TestsforRubberPropertiesinTen-sion4D470TestingThermosettingInsulatedandJacketedWireandCable53.Compound3.1Thetapeshallconsistofanunvulcan-izedorpartiallyvulcanizedrubberinsulatingcompound.Thecompoundshallcontainnomorethan0.5%offreesulfurbyweightwhentestedasspecifiedinSection17.Thecompoundshallbewell,evenlyandsmoothlyprocessed,cuttothespecifiedwidthsandtightlywoundinrollswithaseparatorbe-tweenlayers.4.Separator4.1Theseparatorshallbeparchmentpa-per,glazedorplasticsheeting,oranysuitablematerialinterposedbetweenadjacentlayers.Theremovableornonremovableseparatorshallnotinterferewiththeuseoftherollduringapplication.Wherearemovablesepa-ratorisused,theseparatorshallnotshowa...
