1、Designation:D591396(Reapproved 2013)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 revisi
2、on.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
3、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
4、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 and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Stand
5、ards:2D1475 Test Method For Density of Liquid Coatings,Inks,and Related ProductsD3924 Specification for Environment for Conditioning andTesting Paint,Varnish,Lacquer,and Related MaterialsD3925 Practice for Sampling Liquid Paints and RelatedPigmented CoatingsD5068 Practice for Preparation of Paint Br
6、ushes 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
7、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 t
8、o 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
9、 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 area3for 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-
10、Base Primer.46.4 Specified Test Paint.6.5 Abrasive Grit Soap.56.6 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 prefer
11、able for dark filament-containing brushes andconversely,a dark colored paint is preferable for brushes containinglight-colored filaments.Latex interior flat paints are preferred becausethey dry faster than gloss or semigloss paints.1This test method is under the jurisdiction of ASTM Committee D01 on
12、 Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.61 on Paint Application Tools.Current edition approved Nov.1,2013.Published November 2013.Originallyapproved in 1996.Last previous edition approved in 2009 as D5913 96(2009)1.DOI:10.1520/D5913-9
13、6R13.2For 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.3Test charts such as Leneta Form 8H have been found suitable.
14、They areavailable from the Leneta Company,15 Whitney Road,Mahwah,NJ 07430.4Similar 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.5Lava soap has been found suitable for
15、 this purpose.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 7.Sampling and Conditioning7.1 Sampling of test paint to be used in this test methodshall be in accordance with Practice D3925.7.2 Condition the materials to be used in this te
16、st method inaccordance with Section 6,Conditioning and Testing,ofSpecification D3924 for 24 h before use.7.3 All testing should be performed under the same condi-tions as outlined in 7.2.Do not change operators during therunning of a series of tests,since this may invalidate any rankorders.8.Procedure8.1 Determine the weight per gallon of the test paint inaccordance with procedures outlined in Test Method D1475.8.2 Apply the latex primer to the entire smooth side of theupson board panels so as t
