Designation:D7105−06(Reapproved2013)StandardTestMethodforDeterminingtheAdhesiveandCohesiveStrengthBetweenMaterialsinRoofingorWaterproofingMembranesandSystems1ThisstandardisissuedunderthefixeddesignationD7105;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodmeasurestheforceneededtocauseseparationofthecomponentsofaroofingorawaterproofingmembranesystemnormal(perpendicular)totheplaneofthemembrane.Theseparationmaybeadhesiveattheweakestbond,orcohesivewithintheweakestmaterial.Ifthefailureiscohesive,theadhesivestrengthisgreaterthanthecohesivestrength.1.2ThevaluesstatedinSIunitsareregardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thestandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D312SpecificationforAsphaltUsedinRoofingD1079TerminologyRelatingtoRoofingandWaterproofing3.Terminology3.1Definitions:3.1.1SeeD1079fordefinitionsoftermsusedinthistestmethod.4.SummaryofTestMethod4.1Thistestmethodsubjectsspecimensfromthelaboratorypreparedorfieldsamplestoaforceperpendiculartotheplaneofthemembrane.Thetestmeasures:4.1.1Thecohesivestrengthofanadhesivelayerwhenseparationtakesplacewithintheadhesivelayer,4.1.2Theadhesivestrengthwhentheseparationtakesplaceatanadheredsurface,or4.1.3Thecohesivestrengthoftheweakestmaterialwhentheseparationtakesplacewithinamaterialotherthananadhesive.5.SignificanceandUse5.1Thistestmethodisusefultodefinetheforceneededtocauseseparationoftheroofingorwaterproofingsystemorcomponentsperpendiculartotheplaneofthesystem,andtodefinetheweakestplaneinthesystem.6.Apparatus6.1TestingMachine—auniversalte...
