1、Designation:D4970/D4970M163Standard Test Method forPilling Resistance and Other Related Surface Changes ofTextile Fabrics:Martindale Tester1This standard is issued under the fixed designation D4970/D4970M;the number immediately following the designation indicates theyear of original adoption or,in t
2、he case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEIn 10.1,the standard atmosphere for testing textiles shown in brackets was corrected from 70 6 20
3、F to70 6 2F in April 2017.2NOTEIn 6.6.2,the conversion of 105 mm was corrected to 4.13 in.editorially in June 2017.3NOTEIn 8.2,“a pair”was editorially corrected to“four pairs”to match the language in 13.2.1 in January 2018.1.Scope1.1 This test method covers the determination of the resis-tance to th
4、e formation of pills and other related surface changeson textile fabrics using the Martindale tester.The proceduregenerally is applicable to all types of fabrics,being particularlysuitable for woven fabrics.NOTE1For other methods,if testing the pilling resistance of textiles,refer to Test Methods D3
5、511/D3511M,D3512/D3512M,and D3514.1.2 This test method is not suitable for fabrics thicker than3 mm 0.125 in.because such fabrics cannot be mounted inthe specimen holder.1.3 The fabric may be laundered or dry cleaned beforetesting.1.4 The values stated in either SI units or inch-pound unitsare to be
6、 regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.5 This standard does not purport to address all of thesafe
7、ty 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.1.6 This international standard was developed in accor-dance wit
8、h 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:2D1
9、23 Terminology Relating to TextilesD3511/D3511M Test Method for Pilling Resistance andOther Related Surface Changes of Textile Fabrics:BrushPilling TesterD3512/D3512M Test Method for Pilling Resistance andOther Related Surface Changes of Textile Fabrics:Ran-dom Tumble Pilling TesterD3514 Test Method
10、 for Pilling Resistance and Other RelatedSurface Changes of Textile Fabrics:Elastomeric PadD4850 Terminology Relating to Fabrics and Fabric TestMethodsD7018 Terminology Relating to Glass Fiber and Its Products2.2 ASTM Adjuncts:3ADJD3512 Set of 5 Photographic Standards for RandomTumble Pilling Test3.
11、Terminology3.1 For all terminology relating to D13.59,Fabric TestMethods,General,refer to Terminologies D4850 and D7018.3.1.1 The following terms are relevant to this standard:cycle,fuzz,movement,pilling resistance,pills.3.2 For all other terms related to textiles,refer to Terminol-ogy D123.4.Summar
12、y of Test Method4.1 Pilling and other changes in the surface appearance,such as fuzzing,that occur in normal wear are simulated on alaboratory testing machine.Fabrics are mounted on the Mar-tindale Tester,and the face of the test specimen is rubbed1This test method is under the jurisdiction ofASTM C
13、ommittee D13 on Textilesand is the direct responsibility of Subcommittee D13.60 on Fabric Test Methods,Specific.Current edition approved Jan.1,2016.Published February 2016.Originallyapproved in 1999.Last previous edition approved in 2010 as D4970 101.DOI:10.1520/D4970-16E03.2For referenced ASTM stan
14、dards,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.3Available from ASTM International Headquarters.Order Adjunct No.ADJD3512.Copyright ASTM In
15、ternational,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,Gui
16、des and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 against the face of the same mounted fabric in the form of ageometric figure,that is,a straight line,which becomes agradually widening ellipse,until it forms another straight linein the opposite direction and traces the same figure again underlight pressure for a specific number of movements.The degreeof fabric pilling or surface appearance change produced by thisaction is evaluated by comp