Designation:D2413−99(Reapproved2009)StandardPracticeforPreparationofInsulatingPaperandBoardImpregnatedwithaLiquidDielectric1ThisstandardisissuedunderthefixeddesignationD2413;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthepreparationofinsulatingpaperandboardimpregnatedwithaliquiddielectric.Wherethispracticestatesonly“paper,”thesameprocedureshallapplytoboard.1.2Thispracticehasbeenfoundpracticableforpapershavingnominalthicknessof0.05mm(2mil)andabove.Ithasbeenusedsuccessfullyforinsulatingboardasthickas6mm(1⁄4in.)whencareistakentoensurethespecimengeometrynecessaryforvalidmeasurementofdielectricproperties.Suit-ablegeometrydependsontheelectrodesystemused.Rigidsolidopposingelectrodesrequireflatspecimensthathaveessentiallyparallelsurfaces.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.2.ReferencedDocuments2.1ASTMStandards:2D117GuideforSampling,TestMethods,andSpecificationsforElectricalInsulatingOilsofPetroleumOriginD149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD150TestMethodsforACLossCharacteristicsandPermit-tivity(DielectricConstant)ofSolidElectricalInsulationD202TestMethodsforSamplingandTestingUntreatedPaperUsedforElectricalInsulationD257TestMethodsforDCResistanceorConductanceofInsulatingMaterialsD924TestMethodforDissipationFactor(orPowerFactor)andRelativePermittivity(DielectricConstant)ofElectri-calInsulatingLiquidsD1711TerminologyRelatingtoElectricalInsulationD1816TestMethodforDielectricBreakdownVoltageofInsulatingLiquidsUsingVDEElectrodesD1933SpecificationforNitrogenGasasanElectricalInsu-latingMaterialD3394TestMethodsforSamplingandTestingElectricalInsulatingBoardD3426TestMethodforDielectric...
