Designation:D176−07(Reapproved2012)AnAmericanNationalStandardStandardTestMethodsforSolidFillingandTreatingCompoundsUsedforElectricalInsulation1ThisstandardisissuedunderthefixeddesignationD176;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thesetestmethodscoverphysicalandelectricaltestsforsolidfillingandtreatingcompoundsusedforelectricalinsulationwhicharefusibletoaliquidwithoutsignificantchemicalreaction.Compoundsthatareconvertedtothesolidstatebypolymerization,condensation,orotherchemicalreac-tionarenotincludedinthesetestmethods.1.2Thesetestmethodsaredesignedprimarilyforasphalticorbituminouscompounds,waxes,andfusibleresins,ormix-turesthereof,althoughsomeofthesemethodsareapplicabletosemisolidtypessuchaspetrolatums.SpecialmethodsmoresuitableforhydrocarbonwaxesarecontainedinTestMethodsD1168.1.3Provideadequateventilationwhenthesetestsinvolveheating.1.4Thetestmethodsappearinthefollowingsections:TestMethodSectionsElectricalTests:A-CLossCharacteristicsandPermittivity(DielectricConstant)51-54DielectricStrength42-45VolumeResistivity-TemperatureCharacteristics46-49PhysicalTests:CoefficientofExpansionorContraction22-41FlashandFirePoints9and10LossonHeating11and12MeltingPoint5and6Penetration15and16SofteningPoint7and8SpecificGravity17-21Viscosity13and141.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see12.1and31.5.NOTE1—ThereisnosimilarorequivalentIECorISOstandard.2.ReferencedDocuments2.1ASTMStandards:2D5TestMethodforPenetrationofBitumino...
