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ASTM_D_8367_-_21.pdf

1、Designation:D836721Standard Practice forMaking a Laboratory Pavement Marking Sample Using aPavement Marking and Drop-on Particles1This standard is issued under the fixed designation D8367;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revisi

2、on,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 practice covers a procedure and apparatus forproducing a representative laboratory pavement markingsamp

3、le by applying a pavement marking material onto asuitable substrate,followed immediately with an application ofdrop-on particles consisting of retroreflective optics or otherfunctional particles such as skid resistance particles suitable forlaboratory testing or display.Examples of pavement markingm

4、aterials appropriate for this practice would include water-borne traffic paint,solvent borne traffic paint,and pluralcomponent pavement markings such as epoxy,modified epoxy,polyurea,methyl methacrylate,and thermoplastic pavementmarkings.Plural component materials with extremely fast geltimes might

5、not be appropriate for this practice because thematerial gels too quickly to allow proper embedment of thedrop-on particles.1.2 The finished sample will consist of a pavement markingmaterial applied in a liquid state to a sample substrate at theprescribed film thickness,with drop-on particles applie

6、d at theprescribed drop rate and embedment level on the surface of thepavement marking material,and then properly cured.Thedrop-on particles may consist of retroreflective optics such asglass beads or composite optics,or non-retroreflective particlessuch as skid resistant particles,or several of the

7、se items incombination.1.3 The values stated in inch-pound units are to be regardedas the standard except where noted in the practice.The valuesgiven in parentheses are mathematical conversions to SI unitsthat are provided for information only and are not consideredstandard.1.4 This standard does no

8、t purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5 This international standa

9、rd 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.Referen

10、ced Documents2.1 ASTM Standards:2D823 Practices for Producing Films of Uniform Thicknessof Paint,Coatings and Related Products on Test PanelsD2205 Guide for Selection of Tests for Traffic PaintsD4060 Test Method for Abrasion Resistance of OrganicCoatings by the Taber AbraserD4414 Practice for Measur

11、ement of Wet Film Thickness byNotch GagesD6628 Specification for Color of Pavement Marking Mate-rialsD7307 Practice for Sampling of Thermoplastic PavementMarking MaterialsD7308 Practice for Sample Preparation of ThermoplasticPavement Marking MaterialsD8008 Practice for Representative Field Sampling

12、of TrafficPaintsE303 Test Method for Measuring Surface Frictional Proper-ties Using the British Pendulum TesterE1349 Test Method for Reflectance Factor and Color bySpectrophotometry Using Bidirectional(45:0 or 0:45)GeometryE1710 Test Method for Measurement of RetroreflectivePavement Marking Material

13、s with CEN-Prescribed Ge-ometry Using a Portable RetroreflectometerE2177 Test Method for Measuring the Coefficient of Ret-roreflected Luminance(RL)of Pavement Markings usingthe Bucket Method in a Condition of Wet RecoveryE2302 Test Method for Measurement of the LuminanceCoefficient Under Diffuse Ill

14、umination of PavementMarking Materials Using a Portable Reflectometer1This practice is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.44 on Traffic Coatings.Current edition approved Nov.1,2021.P

15、ublished December 2021.DOI:10.1520/D8367-21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM Interna

16、tional,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized 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.1?E2832 Test Method for Measuring the Coefficient of Ret-roreflected Luminance of Pavement Markings

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