ASTM_D_5383_-_16_2021.pdf

Designation:D538316(Reapproved 2021)Standard Practice forVisual Determination of the Lightfastness of Art Materials byArtists and Art Technologists1This standard is issued under the fixed designation D5383;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,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 method for exposing specimensof colored art materials indoors to sunlight coming through aclosed window.Acard containing eight Blue Wool References2is exposed simultaneously.Blue Wool References23,6,and 7,are used as controls in determining when to remove testspecimens from exposure and rate them.Test specimens arerated by assigning each specimen the number of the Blue WoolReference that shows the same amount of color change.1.2 This practice may be used to indicate art materials thatwill change color within a few months or years in normalindoor exposure and those that will remain unchanged for aperiod of years.It is not rigorous enough to verify thatmaterials will remain unchanged for more than fifty years in ahome or office environment.A major consideration in devel-oping this method was to keep it simple and short enough to bepreformed without instrumentation in a comparatively shortlength of time.1.3 This practice shall be used to evaluate the lightfastnessof art materials only when it is not feasible to use Test MethodsD4303.1.4 This practice is not suitable for evaluating materialswith a high oil content such as artists oil,resin oil or alkydpaints.1.5 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.6 This standard does not 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.1.7 This international 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.Referenced Documents2.1 ASTM Standards:3D4303 Test Methods for Lightfastness of Colorants Used inArtists MaterialsE284 Terminology of Appearance2.2 Other Standards:ISO/R 105-B Textiles Tests for Colour Fastness Part B:Colour Fastness to Light and Weathering4British Standard 1006 Group B Methods for Colour Fastnessof Textiles and Leathers53.Terminology3.1 The definitions included in Terminology E284 are ap-plicable to this practice.3.2 Definitions of Terms Specific to This Standard:3.2.1 bloom,na cloudy exudation on the surface ofcolored pencil due to wax migration.3.2.2 fugitive color,ncolorant that changes color in a fewdays or weeks,or that bleaches white in less than 18 months,when exposed behind glass to sunlight.3.2.3 glazing,nthe transparent glass or plastic sheetplaced in front of a picture when it is framed.3.2.4 substrate,nthe white,pH neutral(pH 6 to 8)paperor board on which the art materials are applied.1This practice is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.57 on Artist Paints and Related Materials.Current edition approved Nov.1,2021.Published November 2021.Originallyapproved in 1993.Last previous edition approved in 2016 as D5383 16.DOI:10.1520/D5383-16R21.2The Blue Wool Reference Card is available from Talas,Division TechnicalLibrary Service,213 W.35th St.New York,NY 10001-1992.3For 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.4International Organization for Standardization,ISO/R 105-B is available fromthe American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,NewYork,NY 10036,http:/www.ansi.org.5British Standard 1006 can be obtained from British Standards Institute(BSI),389 Chiswick High Rd.,London W4 4AL,U.K.,http:/www.bsi-.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 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?4.Summary of Practice4.1 This practice uses as controls three of the eight ISO BlueWool References developed for use with ISO/R 105-B andBritish Sta