Designation:D7713−18StandardSpecificationforAqueousEngineCoolantGradeGlycol(53%byVolumeNominal)1ThisstandardisissuedunderthefixeddesignationD7713;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversbothcommercialproducts,enginecoolantgradeethyleneglycolandpropyleneglycol,includingvirginglycolsandthosederivedfromtherecyclingofvehicleenginecoolantsandindustrialsourceglycols.1.2TypesEG-1andPG-1coverglycolswithsufficientlylowlimitsoncomponentstoallowablendedcoolanttomeetmostOEM(OriginalEquipmentManufacturer)specifications.Thesetypeswillprobablybevirginmaterials,althoughredis-tillationcouldproduceasufficientlypureproduct.TypesEG-2andPG-2coverglycolthatwillbesuitableformanycoolants.Thesetypescanbeeitherredistilledorvirgin.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D1122TestMethodforDensityorRelativeDensityofEngineCoolantConcentratesandEngineCoolantsByTheHydrometerD1123TestMethodsforWaterinEngineCoolantConcen-tratebytheKarlFischerReagentMethodD1177TestMethodforFreezingPointofAqueousEngineCoolantsD1209TestMethodforColorofClearLiquids(Platinum-CobaltScale)D1287TestMethodforpHofEngineCoolantsandAntirustsD1613...