Designation:D8039−16StandardSpecificationforHeatTransferFluids(HTF)forHeatingandAirConditioning(HVAC)Systems1ThisstandardisissuedunderthefixeddesignationD8039;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstherequirementsforethyleneglycol,propyleneglycol,1,3propanediolaswellasglycerinbaseheattransferfluids(HTF)usedinheatingandairconditioning(HVAC)systems.Whenconcentratesareusedatupto65%concentrationbyweightinwater,orwhenpredilutedheattransferfluids(30%byweightminimum)areusedwithoutfurtherdilution,theywillfunctioneffectivelytoprovideprotectionagainstfreezing,andcorrosion.1.2Thefluidsdescribedinthisspecificationarenotappro-priateforuseinsystemswhereinternalcombustionengines(gasoline,diesel,orCNG/LPG)areused.1.3Theheattransferfluidsgovernedbythisspecificationarecategorizedasfollowsbytheprimarybaseoffreezedepressantused:HeatTransferFluidTypeDescriptionIEthyleneglycolIIPropyleneglycolIII1,3-PropanediolIVGlycerin1.4HeattransferfluidsmeetingthisspecificationshallbetestedandfullycomplywithrequirementslistedinTable1.NOTE1—Thisspecificationisbasedontheknowledgeoftheperfor-manceofheattransferfluidspreparedfromneworvirginingredients.Thisspecificationshallalsoapplytoheattransferfluidspreparedusingmaterialsgeneratedfromrecycledorreprocessedingredients,providedthattheseingredientsmeettherequirementsofSpecificationsE1177andD7388forGlycolsandSpecificationD7640forGlycerin.NOTE2—Thisspecificationaddressesconcentratedinhibitedglycolsandglycerolthatwillbemixedwithwaterforuseinvariousclimatesandpredilutedheattransferfluids(HTF)thatarefactory-blendedwithpurifiedwater.AtableofestimatedfreezeprotectiontemperaturesatappropriatedilutionsisprovidedinAppendixX1.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesarefori...
