Designation:D2303−13StandardTestMethodsforLiquid-Contaminant,Inclined-PlaneTrackingandErosionofInsulatingMaterials1ThisstandardisissuedunderthefixeddesignationD2303;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thesetestmethodscovertheevaluationoftherelativetrackinganderosionresistanceofinsulatingsolidsusingtheliquid-contaminant,inclined-planetest.2Thefollowingtestmethodsalsocanbeusedtoevaluatethetrackingresistanceofmaterials:D2132(contaminants:dustandfog)andD3638(contaminant:conductiveliquiddrops).1.2Twotrackingandoneerosiontestprocedurearede-scribed:1.2.1A“variablevoltagemethod”toevaluateresistancetotracking.1.2.2A“time-to-trackmethod”toevaluateresistancetotracking.1.2.3Amethodforquantitativedeterminationoferosion(AnnexA1).1.3Whileaparticularcontaminantsolutionisspecified,otherconcentrationsofthesamecontaminant,ordifferentcontaminantsareusedtosimulatedifferentenvironmentalorserviceconditions.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection8.2.ReferencedDocuments2.1ASTMStandards:3D374TestMethodsforThicknessofSolidElectricalInsu-lation(Withdrawn2013)4D1711TerminologyRelatingtoElectricalInsulationD2132TestMethodforDust-and-FogTrackingandErosionResistanceofElectricalInsulatingMaterialsD3638TestMethodforComparativeTrackingIndexofElectricalInsulatingMaterials2.2IECStandards:IEC60587TestMethodsforEvaluatingResistancetoTrack-ingandErosionforElectricalInsulatingMaterialsUsedUn...
