Designation:D5948−05(Reapproved2012)StandardSpecificationforMoldingCompounds,Thermosetting1ThisstandardisissuedunderthefixeddesignationD5948;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversthebasicpropertiesofthermo-setmoldingcompoundsandthetestmethodsusedtoestablishtheproperties.1.2Classification—Moldingthermosettingplasticcom-poundsshallbeofthefollowingresinsandarecoveredbytheindividualspecificationsheets(see5.1andAnnexA1–AnnexA8).ResinPhenolic,cellulosefilledPhenolic,mineral/glassfilledMelaminePolyesterDiallyliso-phthalateDiallylortho-phthalateSiliconeEpoxyNOTE1—ThereisnoequivalentISOstandard.1.3OrderofPrecedence—IntheeventofaconflictbetweenthetextofthisspecificationandthereferencescitedinSection2(exceptforrelatedspecificationsheets),thetextofthisspecificationtakesprecedence.Nothinginthisspecification,however,supersedesapplicablelawsandregulationsunlessaspecificexemptionhasbeenobtained.1.4ThevaluesstatedinSIunitsaretobeconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD150TestMethodsforACLossCharacteristicsandPermit-tivity(DielectricConstant)ofSolidElectricalInsulationD229TestMethodsforRigidSheetandPlateMaterialsUsedforElectricalInsulationD256TestMethodsforDeterminingtheIzodPendulumImpactResistanceofPlasticsD495TestMethodforHigh-Voltage,Low-Current,DryArcResistanceofSolidElectricalInsulationD570TestMethodforWaterAbsorptionofPlasticsD618PracticeforConditioningPlasticsforTestingD638TestMethodforTensilePropertiesofPlasticsD648TestMethodforDeflectionTemperatureofPlasticsUnderFlexuralLoadintheEdgewisePositionD695TestM...
