Designation:D5828−97(Reapproved2011)´1StandardTestMethodforCompatibilityofSupplementalCoolantAdditives(SCAs)andEngineCoolantConcentrates1ThisstandardisissuedunderthefixeddesignationD5828;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—EditorialcorrectionstoSection7weremadeinJune2011.INTRODUCTIONSupplementalcoolantadditives(SCAs)areusedtoimpartspecialproperties,usuallyresistancetocavitationcorrosion,toenginecoolantsusedindieselengineswithreplaceablecylinderlinersleeves.Engineswiththisdesignrequireadditivesthatarenotnormallyfoundincommercialenginecoolantconcentrates.1.Scope1.1Thistestmethodcoversdeterminationofthecompat-ibilityofcommercialSCAandcommercialethyleneandpropyleneglycolenginecoolantconcentrates.Thistestmethodfocusesonthesolubilityofspecificchemicalspeciesformedintheenginecoolant.Theshortdurationofthetest(24h),amongotherrestrictions,makesthetestmethodoflimiteduseforsortingoutavarietyofchemicalcompatibilityproblemsinwhichacomponentoftheSCAmayreactwithacomponentofthecoolantadditivepackage.Thetestascurrentlywrittenalsodoesnotdealwiththeissueofhardwatercompatibility,inwhichacomponentofthecoolantorSCAadditivepackagereactswiththehardness(CaandMg)toformaprecipitate.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E691PracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodD1193SpecificationforReagentWaterD1796TestMethodforWaterandSedimentinFuelOilsbytheCentrifugeMethod(LaboratoryProcedure)D358...
