Designation:D704−99(Reapproved2020)StandardSpecificationforMelamine-FormaldehydeMoldingCompounds1ThisstandardisissuedunderthefixeddesignationD704;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverscompressionmolding,thermosetting,melamine-formaldehydemoldingcompoundsasfurtherdefinedin4.1,resinbinder,withorwithoutotherresins,intimatelycombinedwithfillers,pigments,andanychemicalagentsneeded.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.NOTE1—Thepropertiesincludedinthisspecificationarethoserequiredtoidentifythetypesofmoldingcompoundscovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacteristics.Thesewillbeaddedtothespecificationastheirinclusionbecomesgenerallydesirableandthenecessarytestdataandmethodsbecomeavailable.Transferorinjectionmoldingwillusuallyresultindifferentphysicalandelectricalcharacteristicsthancompressionmolding.NOTE2—ISO2122-1977(E)issimilarbutnotequivalenttothisspecification.Productclassificationandcharacterizationarenotequiva-lent.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D149TestMethodforDielectricBreakdownVoltageandDielectricStrengthofSolidElectricalInsulatingMaterialsatCommercialPowerFrequenciesD150TestMethodsforACLossCharacteristicsandPermit-tivity(DielectricConstant)ofSolidElectricalInsulationD256TestMethodsforDeterminingtheIzodPendulumImpactResistanceofPlasticsD495TestMethodforHigh-Voltage,Low-Current,DryArcResistanceofSolidElectr...
