ASTM_D_2057_-_05_2022.pdf

Designation:D205705(Reapproved 2022)Standard Test Method forColorfastness of Zippers to Laundering1This standard is issued under the fixed designation D2057;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 the determination of alterationin shade and of staining under conditions similar to thatexperienced in domestic washing of zipper stringers.This testmethod is applicable to the textile portion of zipper stringersthat utilize tapes made of cotton,linen,or manufacturedorganic fibers,and to combinations thereof.1.2 The values stated in SI units are to be regarded asstandard.The values given in parentheses after SI units areprovided for information only and are not considered standard.1.3 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.1.4 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:2D123 Terminology Relating to TextilesD2050 Terminology Relating to Subassemblies Used in theManufacture of TextilesD2051 Test Method for Durability of Finish of Zippers toLaunderingD2052 Test Method for Colorfastness of Zippers to Dry-cleaningD2053 Test Method for Colorfastness of Zippers to LightD2054 Test Method for Colorfastness of Zipper Tapes toCrockingD2058 Test Method for Durability of Finish of Zippers toDrycleaningD2059 Test Method for Resistance of Zippers to Salt Spray(Fog)D2060 Test Methods for Measuring Zipper DimensionsD2061 Test Methods for Strength Tests for ZippersD2062 Test Methods for Operability of ZippersD3692 Practice for Selection of Zippers for Care-LabeledApparel and Household Furnishings2.2 AATCC Methods:Method 143 Appearance of Apparel and Other Textile EndProducts after Repeated Home Launderings3Evaluation Procedure 1,AATCC Gray Scale for ColorChange3Evaluation Procedure 3,AATCC Chromatic TransferenceScale33.Terminology3.1 For all terminology related to D13.54,Subassemblies,refer to Terminology D2050.3.2 For all other terminology used in this standard,seeTerminology D1234.Summary of Test Method4.1 Specimens in contact with a multifiber test cloth arelaundered in home laundry and drying equipment,with orwithout bleach,under appropriate temperature conditions toproduce the effect of home laundering on zipper color.Thealteration in shade and the degree of staining of the multifibertest cloth are graded by reference to the AATCC Gray Scale orto the AATCC Chromatic Transference Scale,as appropriate.5.Significance and Use5.1 Test Method D2057 is useful for testing to determine ifthe degree of alteration in shade is satisfactory for the intendedend-use and for determining if unacceptable staining of colorinto adjacent fabric will occur.NOTE1For guidance in evaluating the results of this method,refer toPractice D3692.1This test method is under the jurisdiction ofASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.54 on Subassemblies.Themethod was developed in cooperation with the Slide Fastener Association,Inc.Current edition approved March 1,2022.Published March 2022.Originallyapproved in 1961.Last previous edition approved in 2015 as D2057 05(2015).DOI:10.1520/D2057-05R22.2For 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.3Technical Manual of the American Association of Textile Chemists andColorists,P.O.Box 12215,Research Triangle Park,NC 27709.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.15.2 This test method is considered satisfactory for accep-tance testing of commercial shipments because the method hasbeen used extensively in the trade for acceptance testing.5.2.1 If there are differences of practical significance be-tween reported test results for two laboratories(or more),comparative tests should be per