Designation:C772−03(Reapproved2014)StandardTestMethodforOilMigrationorPlasticizerBleed-OutofPreformedTapeSealants1ThisstandardisissuedunderthefixeddesignationC772;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversalaboratoryprocedurethatcanbeusedtodeterminetheoilmigrationorplasticizerbleed-outofpreformedtapesealants.1.2Thevaluesstatedinacceptablemetricunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3ThesubcommitteewithjurisdictionisnotawareofanysimilarISOstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C717TerminologyofBuildingSealsandSealantsD2203TestMethodforStainingfromSealantsE145SpecificationforGravity-ConvectionandForced-VentilationOvens3.Terminology3.1Definitions—ThedefinitionsofthefollowingtermsusedinthistestmethodarefoundinTerminologyC717:preformedtapesealant,sealant.4.SummaryofTestMethod4.1Thepreformedtapesealanttobetestedisplacedonfilterpaper.Thespecimenisheatagedandexaminedformigrationintothefilterpaper.5.SignificanceandUse5.1Preformedtapesealantsaretacky,deformablesolidsthatareusedundercompressionbetweentwosubstratesinavarietyofsealingapplications.Ingeneral,oilmigrationorplasticizerbleed-outisnotdesirable.However,insomelimitedinstances,acontrolledamountofplasticizermigrationissometimesdesiredinordertoimprovethepenetrationofthetapeintotheintersticesofporoussubstrates.Thistestmethodisdesignedtoindicatewhetherornotapreformedtapesealantexhibitsoilorplasticizermigrationand,ifso,towhatextent.6.Apparatus6.1VentedAirCirculatingOven,thatcomplieswithSpe...
