1、Designation:D224801a(Reapproved 2018)Standard Practice forDetergent Resistance of Organic Finishes1This standard is issued under the fixed designation D2248;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A
2、number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This practice covers the determination of the resistan
3、ceto failure,in an accelerated manner,of organic finishes whenimmersed in a detergent solution.1.2 The values stated in SI units are to be regarded as thestandard.The values in parentheses are for information only.1.3 This standard does not purport to address all of thesafety concerns,if any,associa
4、ted 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.1.4 This international standard was developed in accor-dance with internationally recogniz
5、ed 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:2D523 Test Method for Specula
6、r GlossD609 Practice for Preparation of Cold-Rolled Steel Panelsfor Testing Paint,Varnish,Conversion Coatings,andRelated Coating ProductsD610 Practice for Evaluating Degree of Rusting on PaintedSteel SurfacesD714 Test Method for Evaluating Degree of Blistering ofPaintsD823 Practices for Producing Fi
7、lms of Uniform Thicknessof Paint,Varnish,and Related Products on Test PanelsD1005 Test Method for Measurement of Dry-Film Thick-ness of Organic Coatings Using MicrometersD1186 Test Methods for Nondestructive Measurement ofDry Film Thickness of Nonmagnetic Coatings Applied toa Ferrous Base(Withdrawn
8、2006)3D1193 Specification for Reagent WaterD1400 Test Method for Nondestructive Measurement of DryFilm Thickness of Nonconductive Coatings Applied to aNonferrous Metal Base(Withdrawn 2006)3D1474 Test Methods for Indentation Hardness of OrganicCoatingsD1654 Test Method for Evaluation of Painted or Co
9、atedSpecimens Subjected to Corrosive EnvironmentsD1730 PracticesforPreparationof AluminumandAluminum-Alloy Surfaces for PaintingD2092 Guide for Preparation of Zinc-Coated(Galvanized)Steel Surfaces for Painting(Withdrawn 2008)3D2197 Test Method for Adhesion of Organic Coatings byScrape AdhesionD2244
10、Practice for Calculation of Color Tolerances andColor Differences from Instrumentally Measured ColorCoordinatesD3359 Test Methods for Rating Adhesion by Tape Test3.Significance and Use3.1 Any effects such as color change,blistering.loss ofadhesion,softening,or embrittlement are observed and noted.4.
11、Apparatus4.1 ContainerA corrosion-resistant container equippedwith the means to control the solution temperature within therange specified and to control the liquid level at 65 mm(316in.).Agitation may be required to maintain temperature uni-formity.4.2 CoverThe container shall be provided with a co
12、ver toretard evaporation and to contain the test specimens com-pletely.5.Test Specimens5.1 Unless otherwise specified,the test specimens shall be100 by 300 by 0.9 mm(4 by 12 in.by 20 gage)in size.The test1This practice is under the jurisdiction of ASTM Committee D01 on Paint andRelated Coatings,Mate
13、rials,and Applications and is the direct responsibility ofSubcommittee D01.27 on Accelerated Testing.Current edition approved Feb.1,2018.Published February 2018.Originallyapproved in 1964.Last previous edition approved in 2013 as D2248 01a(2013).DOI:10.1520/D2248-01AR18.2For referenced ASTM standard
14、s,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.Copyright A
15、STM 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 Standar
16、ds,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 specimen composition,surface preparation,and number of testspecimens shall be agreed upon by the purchaser and the seller.NOTE1Applicable test panel description and surface preparationmethods are as follows:Practices D609,D1730 and D2092.6.Coating of Test Specimens6.1 The method of application,film thickness,curing,andconditioning of the test surface shall be agreed upon betweenthe pu