Designation:D7654/D7654M−10(Reapproved2018)StandardSpecificationforAsphaltUsedinRoofingMeasuredbyDynamicShearRheometer1ThisstandardisissuedunderthefixeddesignationD7654/D7654M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstwotypesofasphaltintendedforuseinbuilt-uproofconstruction,constructionofsomemodifiedbitumensystems,constructionofbituminousvaporretardersystems,andforadheringinsulationboardsusedinvarioustypesofroofsystems.Thespecificationisintendedforgeneralclassificationpurposesonlyanddoesnotimplyrestric-tionsontheslopeatwhichanasphaltmustbeused.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:2D5/D5MTestMethodforPenetrationofBituminousMate-rialsD92TestMethodforFlashandFirePointsbyClevelandOpenCupTesterD140/D140MPracticeforSamplingAsphaltMaterialsD1079TerminologyRelatingtoRoofingandWaterproofingD2042TestMethodforSolubilityofAsphaltMaterialsinTrichloroethyleneD6510GuideforSelectionofAsphaltUsedinBuilt-UpRoofingSystems(Withdrawn2015)3D7175...