ASTM_D_5913_-_96_2019.pdf

Designation:D591396(Reapproved 2019)Standard Test Method forEvaluation of Cleanability of Paint Brushes1This standard is issued under the fixed designation D5913;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 test method covers a laboratory procedure for theevaluation or comparison of the cleanability of paint brushes,or both,when used with latex paints.1.2 This test method is applicable to paint brushes up to 100mm(4 in.)in width and of similar head dimensions asdescribed in Practice D5301.1.3 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.4 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.1.5 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:2D1475 Test Method for Density of Liquid Coatings,Inks,and Related ProductsD3924 Specification for Standard Environment for Condi-tioning and Testing Paint,Varnish,Lacquer,and RelatedMaterials(Withdrawn 2016)3D3925 Practice for Sampling Liquid Paints and RelatedPigmented CoatingsD5068 Practice for Preparation of Paint Brushes for Evalu-ationD5301 Practice for Physical Characterization of PaintBrushes3.Summary of Test Method3.1 The test brushes are washed prior to painting to removeany residual finishes from the manufacturer,broken in,andthen dipped into the test paint for a specified period,allowed todrain and the excess removed by brushing out on paper.Aftera specified drying period,the brushes are cleaned and evalu-ated for the presence of residual paint on the filaments.4.Significance and Use4.1 The final appearance of a paint brush after it has beenused and cleaned is related to the ability of the brush to performconsistently upon repeated use.This test method offers asubjective visual criteria that provides a rank order ofcleanability of the filaments of a brush after use.5.Apparatus5.1 Test Brushes,up to 100-mm(4-in.)sizes.5.2 Weight-per-Density Cup or pycnometer.5.3 Balance,capable of weighing to an accuracy of 0.1 g.5.4 Stopwatch.6.Materials6.1 Test Panels,with a sealed surface,having 1000 cm2(1.076 ft2)of test area4for 50-mm(2-in.)brushes.6.2 Laminated Fiber Board,(upson board)610 by 305 mm(24 by 12 in.)with at least one smooth side for 75-mm(3-in.)and 100-mm(4-in.)size brushes.6.3 Latex-Base Primer.56.4 Specified Test Paint.6.5 Abrasive Grit Soap.61This test method is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.61 on Paint Application Tools.Current edition approved Oct.1,2019.Published October 2019.Originallyapproved in 1996.Last previous edition approved in 2013 as D5913 96(2013).DOI:10.1520/D5913-96R19.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.4Test charts such as Leneta Form 8H have been found suitable.They areavailable from the Leneta Company,15 Whitney Road,Mahwah,NJ 07430.5Similar to U.S.Federal Specification TT-P-650C Primer Coating,White hasbeen found suitable for this purpose.Other latex primers may be adapted to meet therequirements of this test method.6Lava soap has been found suitable for this purpose.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 6.6 Kraft or Brown Wrapping Paper,unsealed,200 by 460mm(8 by 18 in.).NOTE1The choice of the color of the test paint to be used should bedependent on the color of the filaments in the brushes under evaluation.Alight colored paint is preferable for dark filament-containing brushes andconversely,a dark colored paint is preferable for brushes containinglight-colored filaments.Latex interior