Designation:D41/D41M−11(Reapproved2016)AmericanAssociationStateHighwayandTransportationOfficialsStandardAASHTONo.:M116StandardSpecificationforAsphaltPrimerUsedinRoofing,Dampproofing,andWaterproofing1ThisstandardisissuedunderthefixeddesignationD41/D41M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope1.1Thisspecificationcoversasphalticprimersuitableforusewithasphaltinroofing,dampproofing,andwaterproofingbeloworabovegroundlevel,forapplicationtoconcrete,masonry,metal,andasphaltsurfaces.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D5/D5MTestMethodforPenetrationofBituminousMate-rialsD88TestMethodforSayboltViscosityD402/D402MTestMethodforDistillationofCutbackAs-phaltD6511/D6511MTestMethodsforSolventBearingBitumi-nousCompounds3.Classification3.1TypeIischaracterizedasanAsphaltPrimerwithagenerallyhighersolvent-to-asphaltratio.3.2TypeIIischaracterizedasanAsphaltPrimerwithalessersolvent-to-asphaltratiothanTypeI.4.PhysicalRequirements4.1Theprimershallconformtothefollowingrequirements:Water,Vol%,max,TypeIandTypeII0.5SayboltFurolviscosityat25°C[77°F],TypeI25to125sSayboltFurolviscosityat25°C[77°F],TypeII120to500sDistillation,volume%oftheprimer:Upto225°C[437°F],TypeInotlessthan35Upto360°C[680°F]...
