Designation:D6107−97(Reapproved2012)StandardSpecificationforStop-LeakAdditiveforEngineCoolantsUsedinLightDutyService1ThisstandardisissuedunderthefixeddesignationD6107;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcoverstherequirementsofastop-leakadditivetofunctioneffectivelyinautomobileandlightdutyservice.Thestop-leakisintendedtosealsmallleaksinenginecoolingsystemswithoutadverselyaffectingheattransferandfluidflow.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1176PracticeforSamplingandPreparingAqueousSolu-tionsofEngineCoolantsorAntirustsforTestingPurposesD1881TestMethodforFoamingTendenciesofEngineCoolantsinGlasswareD3147TestMethodforTestingStop-LeakAdditivesforEngineCoolants3.PerformanceRequirements3.1Thefollowingperformancerequirementsofstop-leakadditivesmustbeachievedinordertomeetthisspecification.3.2Thestop-leakadditivemustbecapableofpluggingaminimumholesizeof0.254mm(0.010in.)andaminimumslotsizeof12.7mm(0.50in.)longby0.254mm(0.010in.)widewhentestedinaccordancewithTestMethodD3147.3.3Thestop-leakadditivemustnotplugaslotsizelargerthan12.7mm(0.50in.)longby0.635mm(0.025in.)wide.3.4FluidremovedfromtheTestMethodD3147stop-leaktestmustnotleaveanyresidueorparticulatematteronthesurfaceofanASTME-11No.10sieve,whenpouredthroughthesieve.3.5Stop-leakadditivespassingthetestsdetailedabovemustbetestedforfoamingtendencyinaccordancewiththeTestMet...
