1、Designation:D450512(Reapproved 2022)Standard Specification forPreformed Retroreflective Pavement Marking Tape forExtended Service Life1This standard is issued under the fixed designation D4505;the number immediately following the designation indicates the year oforiginal adoption or,in the case of r
2、evision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers white or yellow preformedretroreflective pavement marking tape that,when appl
3、ied to aroad surface,will provide a service life normally greater thanone year depending on wear and durability factors.1.2 The preformed retroreflective pavement tape is suitablefor longitudinal markings and transverse markings includingword/symbol markings.It is designed to be a pavementmarking wi
4、th extended service life.1.3 The values stated in inch-pound units are to be regardedas the standard except where noted in the document.The valuesgiven in parentheses are mathematical conversions to SI unitsthat are provided for information only and are not consideredstandard.1.4 This international
5、standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.R
6、eferenced Documents2.1 ASTM Standards:2D1000 Test Methods for Pressure-Sensitive Adhesive-Coated Tapes Used for Electrical and Electronic Applica-tionsD1898 Practice for Sampling of Plastics(Withdrawn 1998)3D4061 Test Method for Retroreflectance of Horizontal Coat-ingsD6628 Specification for Color o
7、f Pavement Marking Mate-rialsE303 Test Method for Measuring Surface Frictional Proper-ties Using the British Pendulum TesterE1710 Test Method for Measurement of RetroreflectivePavement Marking Materials with CEN-Prescribed Ge-ometry Using a Portable Retroreflectometer2.2 CIE Publications:4No.15.2 Co
8、lorimetryNo.39.2 Recommendations for Surface Colours for VisualSignaling3.Terminology3.1 Definitions:3.1.1 extended service life or period,na minimum serviceperiod of twelve months when placed in accordance with themanufacturers recommended procedures on pavement sur-faces.3.1.1.1 DiscussionSee Sect
9、ion 7 for factors affecting du-rability.3.1.2 preformed tape,ncontinuous,flexible pavementmarking material that is essentially complete and that may beaffixed to or imbedded in the road surface without fundamen-tally altering its configuration.3.1.3 retroreflection,nreflection in which radiation isr
10、eturned in directions close to the direction from which it cameand maintained over wide variations of the direction of theincident radiation.3.1.4 surface pattern,na pattern on the surface with areasof raised surface area.4.Classification4.1 Preformed Retroreflective Pavement Marking Tape shallbe id
11、entified as:4.1.1 Reflectivity Level I;Class 1,2,or 3;Skid ResistanceLevel A or B.4.1.2 Reflectivity Level II;Class 1,2,or 3;Skid ResistanceLevel A or B.1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D0
12、4.38 onHighway Traffic Control Materials.Current edition approved May 1,2022.Published May 2022.Originallyapproved in 1985.Last previous edition approved in 2017 as D4505 12(2017).DOI:10.1520/D4505-12R22.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Servi
13、ce at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from U.S.National Committee of the CIE(International Commissionon I
14、llumination),c/o Thomas M.Lemons,TLA-Lighting Consultants,Inc.,7 PondSt.,Salem,MA 01970,http:/www.cie-usnc.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally reco
15、gnized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.14.2 Reflectivity Levels:4.2.1 Reflectivity Level IA tape that,when
16、 new,conformsto the retroreflectance requirements for Reflectivity Level I inTable 1 when measured in accordance with 6.4.4.2.2 Reflectivity Level IIAtape that,when new,conformsto the retroreflectance requirements for Reflectivity Level II inTable 1 when measured in accordance with 6.4.4.3 Classes:4.3.1 Class 1A tape without precoated adhesive,forapplication with liquid contact cement.4.3.2 Class 2A tape with precoated pressure-sensitiveadhesive,for application with or without surface preparatio
