ASTM_D_1336_-_07_2019.pdf

Designation:D133607(Reapproved 2019)Standard Test Method forDistortion of Yarn in Woven Fabrics1This standard is issued under the fixed designation D1336;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 measurement of yarndistortion of one set of yarns over the other in woven clothfollowing the application of surface friction.This test methodespecially is applicable to open-weave fabrics,such as nettings,marquisettes,gauzes,chiffons,and heavier fabrics made fromslippery surface yarns.NOTE1For the determination of yarn slippage in woven fabrics,referto Test Method D434.1.2 The values stated in SI units are to be regarded as thestandard.The inch-pound units given in parentheses areprovided for 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,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 TextilesD434 Test Method for Resistance to Slippage of Yarns inWoven Fabrics Using a Standard Seam(Withdrawn2003)3D1776 Practice for Conditioning and Testing TextilesD4850 Terminology Relating to Fabrics and Fabric TestMethods2.2 Federal Standard:Federal Test Method Standard 191Method 5410 SlippageResistance of Yarns in Cloth,Yarn Distortion Method43.Terminology3.1 For all terminology relating to D13.59,Fabric TestMethods,General,refer to Terminology D4850.3.1.1 The following terms are relevant to this standard:yarndistortion.3.2 For all other terminology related to textiles,refer toTerminology D123.4.Summary of Test Method4.1 A specimen is subjected to a specified shearing forceacting in the plane of the fabric.The degree to which the forcecauses yarns to shift distorting the original symmetry of theweave is taken as a measure of ease of yarn distortion in thefabric.The degree of distortion is reported in terms of thewidest opening,measured in hundredths of an inch.5.Significance and Use5.1 This test method is considered satisfactory for accep-tance testing of commercial shipments because current esti-mates of between-laboratory precision are acceptable and themethod has been used extensively in the trade for acceptancetesting.5.2 In cases of dispute,the statistical bias,if any,betweenthe laboratory of the purchaser and the laboratory of the sellershould be determined,with each comparison being based ontesting randomized specimens from one sample of fabric.5.3 This test method is used as an indication of the propen-sity of yarns to shift or distort in a fabric.Such distortions areobjectionable due to the resulting changes in appearance.These appearance changes are sometimes referred to as“fingermarks”or“shift marks.”1This test method is under the jurisdiction ofASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.59 on Fabric Test Methods,General.Current edition approved July 1,2019.Published July 2019.Originally approvedin 1954.Last previous edition approved in 2015 as D1337 07(2015).DOI:10.1520/D1336-07R19.2For 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.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from General Services Administrations,Specification and ConsumerInformation and Distribution Section(WFSIS),Washington,Navy Yard,Building197,Washington,DC 20407.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.1 5.4 It is recommended that fabrics be tested in their originalcondition and also after laundering or drycleaning,or both,depending upon the intended use of the material.6.Apparatus6.1 Fabric Shift Tester5,as shown in Fig.1,including:6.1.1 Cylindrical Rubber Friction Drums,consisting of apair of rubber drums mounted one ab