Designation:D4505−12StandardSpecificationforPreformedRetroreflectivePavementMarkingTapeforExtendedServiceLife1ThisstandardisissuedunderthefixeddesignationD4505;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverswhiteoryellowpreformedretroreflectivepavementmarkingtape,thatwhenappliedtoaroadsurface,willprovideaservicelifenormallygreaterthanoneyeardependingonwearanddurabilityfactors.1.2Thepreformedretroreflectivepavementtapeissuitableforlongitudinalmarkingsandtransversemarkingsincludingword/symbolmarkings.Itisdesignedtobeapavementmarkingwithextendedservicelife.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandardexceptwherenotedinthedocument.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2D1000TestMethodsforPressure-SensitiveAdhesive-CoatedTapesUsedforElectricalandElectronicApplica-tionsD1898PracticeforSamplingofPlastics(Withdrawn1998)3D4061TestMethodforRetroreflectanceofHorizontalCoat-ingsD6628SpecificationforColorofPavementMarkingMate-rialsE303TestMethodforMeasuringSurfaceFrictionalProper-tiesUsingtheBritishPendulumTesterE1710TestMethodforMeasurementofRetroreflectivePavementMarkingMaterialswithCEN-PrescribedGe-ometryUsingaPortableRetroreflectometer2.2CIEPublications:4No.15.2ColorimetryNo.39.2RecommendationsforSurfaceColoursforVisualSignaling3.Terminology3.1Definitions:3.1.1extendedservicelifeorperiod,n—aminimumserviceperiodof12monthswhenplacedinaccordancewiththemanufacturers’recommendedproceduresonpavementsur-faces.3.1.1.1Discussion—SeeSection7forfactorsaffectingdu-rability.3.1.2preformedtape,n—continuous,flexiblepavementmarkingmaterialthatisessentiallycompleteandthatmaybeaffixedtoorimbeddedintheroadsur...
