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ASTM_D_6037_-_21.pdf

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1、Designation:D603721Standard Test Methods forDry Abrasion Mar Resistance of High Gloss Coatings1This standard is issued under the fixed designation D6037;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numb

2、er in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method covers procedures for evaluating therelative mar resistance of high gloss coatings.Two testmethods are included.Test Method A

3、 uses a device that rotatesthe test specimen on a vertical axis,against the sliding rotationof two abrading wheels.Test Method B uses a device thatreciprocates a specimen in a horizontal plane over a stationarywheel that has been fitted with abrasive paper and is advancedafter each double stroke.Eit

4、her method can be used to evaluatethe dry abrasion mar resistance of coatings applied to planar,rigid surfaces.Each test method provides good discriminationbetween highly mar resistant coatings.NOTE1The mar resistance values obtained by these test methods haveno absolute significance.They should onl

5、y be used to derive relativeperformance rankings for test panels that have been prepared from theseries of coatings that are currently being evaluated.If mar resistancevalues are quoted between laboratories,it is essential that a commonstandard be measured and that the values be compared to that sta

6、ndard.Even then,the values should be used with caution.1.2 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibi

7、lity 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.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization es

8、tablished 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.Referenced Documents2.1 ASTM Standards:2D523 Test Method for Specular GlossD609 Practice for Preparation

9、 of Cold-Rolled Steel Panelsfor Testing Paint,Varnish,Conversion Coatings,andRelated Coating ProductsD823 Practices for Producing Films of Uniform Thicknessof Paint,Coatings and Related Products on Test PanelsD1005 Test Method for Measurement of Dry-Film Thick-ness of Organic Coatings Using Micromet

10、ersD3924 Specification for Standard Environment for Condi-tioning and Testing Paint,Varnish,Lacquer,and RelatedMaterialsD4060 Test Method for Abrasion Resistance of OrganicCoatings by the Taber AbraserD4449 Test Method for Visual Evaluation of Gloss Differ-ences Between Surfaces of Similar Appearanc

11、eD7091 Practice for Nondestructive Measurement of DryFilm Thickness of Nonmagnetic Coatings Applied toFerrous Metals and Nonmagnetic,Nonconductive Coat-ings Applied to Non-Ferrous MetalsE177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlabo

12、ratory Study toDetermine the Precision of a Test Method3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 mar resistance,nthe ability of a coating to resistpermanent deformation or fracture,resulting from the applica-tion of a dynamic mechanical force.4.Summary of Test Method4.1 T

13、he coatings that are being evaluated are applied atuniform dry film thickness to planar panels of uniform surfacetexture.After drying or curing,or both,the panels are marred.1These test methods are under the jurisdiction of ASTM Committee D01 onPaint and Related Coatings,Materials,and Applications a

14、nd are the directresponsibility of Subcommittee D01.23 on Physical Properties of Applied PaintFilms.Current edition approved June 1,2021.Published June 2021.Originallyapproved in 1996.Last previous edition approved in 2018 as D6037 18.DOI:10.1520/D6037-21.2For referenced ASTM standards,visit the AST

15、M 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor

16、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.1Mar resistance is assessed by measuring the coatings glosswithin the abraded and unabraded areas of test panels.Marresista

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