ASTM_D_4849_-_21.pdf

Designation:D484921Standard Terminology Related toYarns and Fibers1This standard is issued under the fixed designation D4849;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 standard is a compilation of terminology developedby Committee D13.58 on Yarns and Fibers.1.1.1 This terminology,mostly definitions,is unique tofibers and yarns used in the textile industry.Terms that aregenerally understood or adequately defined in other readilyavailable sources are not included.1.1.2 Subcommittee D13.58 has jurisdictional responsibilityfor every item in this standard.The standards in which theterms and definitions are used are listed by number after thedefinition.The wording of an entry cannot be changed withoutthe approval of 13.58 subcommittee.Any changes approved bythe subcommittee and main committee are then directed tosubcommittee D13.92 on Terminology for subsequent changesor additions to Terminology D123.1.1.3 This terminology standard is not all inclusive of theterms under the jurisdiction of Subcommittee D13.58.Otherterminology standards under the jurisdiction of SubcommitteeD13.58 are D3888,D4466,and D4848.1.2 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:2D76 Specification for Tensile Testing Machines for TextilesD123 Terminology Relating to TextilesD861 Practice for Use of the Tex System to Designate LinearDensity of Fibers,Yarn Intermediates,and YarnsD204 Test Methods for Sewing ThreadsD1059 Test Method for Yarn Number Based on Short-Length SpecimensD1230 Test Method for Flammability of Apparel TextilesD1244 Practice for Designation of Yarn ConstructionD1422 Test Method for Twist in Single Spun Yarns by theUntwist-Retwist MethodD1423 Test Method for Twist in Yarns by Direct-CountingD1425 Test Method for Evenness of Textile Strands UsingCapacitance Testing EquipmentD1577 Test Methods for Linear Density of Textile FibersD1578 Test Method for Breaking Strength of Yarn in SkeinFormD1907 Test Method for Linear Density of Yarn(Yarn Num-ber)by the Skein MethodD2102 Test Method for Shrinkage of Textile Fibers(BundleTest)D2255 Test Method for Grading Spun Yarns for AppearanceD2258 Practice for Sampling Yarn for TestingD2259 Test Method for Shrinkage of YarnsD2260 Tables of Conversion Factors and Equivalent YarnNumbers Measured in Various Numbering SystemsD2402 Test Method for Water Retention of Textile Fibers(Centrifuge Procedure)D2612 Test Method for Fiber Cohesion in Sliver and Top(Static Tests)D2494 Test Method for Commercial Mass of a Shipment ofYarn or Manufactured Staple Fiber or TowD2645 Tolerances for Yarns Spun on the Cotton or WorstedSystemsD2644 Tolerances for Yarns Spun on the Woolen SystemD3106 Test Method for Permanent Deformation of Elasto-meric YarnsD3108 Test Method for Coefficient of Friction,Yarn to SolidMaterialD3128 Specification for 2-MethoxyethanolD3217 Test Methods for Breaking Tenacity of ManufacturedTextile Fibers in Loop or Knot ConfigurationsD3218 Specification for Polyolefin MonofilamentsD3333 Practice for Sampling Manufactured Staple Fibers,Sliver,or Tow for TestingD3334 Test Method for Fabrics Woven from PolyolefinMonofilaments(Withdrawn 1989)3D3412 Test Method for Coefficient of Friction,Yarn to Yarn1This terminology is under the jurisdiction ofASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.58 on Yarns and Fibers.Current edition approved June 15,2021 Published August 2021 Originallyapproved in 1988.Last previous edition approved in 2020 as D484920.DOI:10.1520/D4849-21.2For 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.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.1D3513 Test Method for Overlength Fiber Content of Manu-factured Staple FiberD3693 Specification for Labeled Length per Holder ofSewing ThreadD3822 Test Method for Tensile Properties of Single Text