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ASTM_D_2096_-_11.pdf

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1、Designation:D209611Standard Test Method forColorfastness and Transfer of Color in the Washing ofLeather1This standard is issued under the fixed designation D2096;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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This test method covers the determination of the

3、color-fastness of colored leathers,with or without a surface coating.The leathers to be tested are of the type normally expected towithstand frequent laundering.This test method also covers thesimultaneous staining of adjacent textile materials when theleather specimens are washed.This test method d

4、oes not applyto wet blue.Two procedures are covered depending on theapparatus used:1.1.1 Procedure A,using the Launder-Ometer,2and1.1.2 Procedure B,using an alternative washing machine.1.2 The values stated in inch-pound units are to be regardedas the standard.The values stated in parentheses are pr

5、ovidedfor information only.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 and health practices and determine the applica-bility of regulatory limitations prio

6、r to use.2.Referenced Documents2.1 ASTM Standards:3D 499 Standard Specification for White Floating ToiletSoap42.2 ISO Standard:5ISO R105/I,Part 2 Gray Scale for Evaluating Change inColorISO R105/I,Part 3 Gray Scale for Evaluating Staining2.3 ASTM Adjunct:6Leather washing apparatus(1 drawing)3.Summar

7、y of Test Method3.1 Three leather specimens 50 by 80 mm(approximately 2by 3 in.),and one piece of multifiber test fabric of nearly equalsize are washed together in soapy water at 120F(49C).After12h of washing,the leather specimens and cloth are removedand rinsed carefully in running water at about 9

8、5F(35C).One leather specimen and the test cloth are removed andair-dried.A new piece of test cloth is added to the remainingtwo leather specimens and these are washed,as above,for12h.The rinsing is repeated;again one leather specimen and the testcloth are removed for drying.The remaining leather spe

9、cimen,with a new piece of test cloth,is washed again for12h.Thisfinal leather specimen and test cloth are then rinsed and driedas above.When dry,the color of the washed leather specimensis rated by comparing it with an unwashed piece of leather.Transfer of color to the test fabric is rated by compar

10、ison withan unwashed piece of test fabric.These comparisons are madewith the aid of the proper Gray Scale.All ratings are made ondry test specimens.4.Significance and Use4.1 The procedure is intended,primarily to evaluate theability of a leather specimen to withstand fixed,and ratherstrenuous,launde

11、ring conditions.This test is not intended as arecommended washing procedure,neither household nor com-mercial.Although this test concerns itself with colorfastness1This test method is under the jurisdiction of ASTM Committee D31 on Leatherand is the direct responsibility of Subcommittee D31.04 on Ap

12、parel This testmethod was developed in cooperation with the American Leather Chemists Assn.Current edition approved April 1,2011.Published April 2011.Originallyapproved in 1962.Last previous edition approved in 2010 as D2096 00(2010).DOI:10.1520/D2096-11.2The Launder-Ometer and its development are d

13、escribed in the AmericanDyestuff Reporter,Oct.29,1928,p.679.It is described also in the current TechnicalManual of the American Association of Textile Chemists and Colorists.Such anapparatus is illustrated in Figs.3,4,and 5.The sole source of supply of the apparatus known to the committee at this ti

14、meis SDL Atlas,3934 Airway Drive,Rock Hill SC 29732.If you are aware ofalternative suppliers,please provide this information to ASTM InternationalHeadquarters.Your comments will receive careful consideration at a meeting of theresponsible technical committee,which you may attend.3For referenced ASTM

15、 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.4Withdrawn.The last approved version of this historical standard is referencedon www.a

16、stm.org.5Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.6Detailed drawings for such an apparatus are available fromASTM InternationalHeadquarters.Order Adjunct ADJD2096.Original adjunct produced in 1962.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 and transfer of color during washing,the washed leatherspecimens are available also for comparing other properties

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