Designation:D619−14AnAmericanNationalStandardStandardTestMethodsforVulcanizedFibreUsedforElectricalInsulation1ThisstandardisissuedunderthefixeddesignationD619;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thesetestmethodscovertheproceduresfortestingvulcanizedfibresheets,tubes,androdsofsuchgradesascanbeusedforelectricalinsulation.1.2Theproceduresappearinthefollowingsections:ProcedureSectionArcresistance23Ash6Bondstrength(plyadhesion)16Burstingstrength14Compressivestrength12,25,30Conditioning4Density17,26,32Dielectricstrength18,27Dimensionalmeasurements28,33Flammability22Flexuralstrength13,31Silica7Tearingstrength11Tensilestrength10,24,29Thickness(sheets)20Resistancetoimpact15Rockwellhardness19Volatilematter8Waterabsorption5Zincchloride91.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIvaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specifichazardstatementsaregivenin7.3,22.1,22.2.NOTE1—ThetestmethodsdescribedhereinaresimilartechnicallytothosedescribedinIECPublication60667-2.NotallofthetestsinthisdocumentareincludedinIEC60667-2,andtheproceduresinthetwopublicationsarenotcompletelyidentical;butitisexpectedthatcompa-rableresultswillbeobtainedfrommostoftheprocedures.Conductcomparativetestsifnecessarybeforedirectlycomparingresultsoftestsusingthedifferentprocedures.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD202TestMethodsforSamplingandTestingUntreatedPaperUsedforElectricalIns...
