Designation:D5643/D5643M−06(Reapproved2018)StandardSpecificationforCoalTarRoofCement,AsbestosFree1ThisstandardisissuedunderthefixeddesignationD5643/D5643M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverscoaltarroofcementsuitablefortrowelapplicationincoaltarroofingandflashingsystems.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D4TestMethodforBitumenContentD95TestMethodforWaterinPetroleumProductsandBituminousMaterialsbyDistillationD140/D140MPracticeforSamplingAsphaltMaterialsD3143/D3143MTestMethodforFlashPointofCutbackAsphaltwithTagOpen-CupApparatusD3409/D3409MTestMethodforAdhesionofAsphalt-RoofCementtoDamp,Wet,orUnderwaterSurfacesD6511/D6511MTestMethodsforSolventBearingBitumi-nousCompounds3.MaterialsandManufacture3.1Coaltarroofcementshallconsistofaprocessedcoaltarbase,volatilesolvents,andmineralstabilizers,excludingasbestos,mixedtoasmoothuniformconsistencysuitablefortrowelapplication.4.ChemicalComposition4.1Thecompositionofcoaltarroofceme...
