Designation:D7641−21StandardGuideforTextileFibers1ThisstandardisissuedunderthefixeddesignationD7641;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidelistsfibersusedtomanufacturetextileproducts.1.2Specificgroupsoffibersareidentifiedusingtablesofstandardclassification.1.2.1Animalfibersareidentifiedbycommercialname,biologicalname,enduse,andgeographicsource.1.2.2Vegetablefibersareidentifiedbycommercialname,botanicalname,staplelengthordescription,andgeographicsource.1.2.3Mineralfibersareidentifiedbycommercialname,mineralogicalname,chemicaldescription,andgeographicsource.1.2.4Manufacturedfibersareidentifiedbycommercialname,genericname,andmajorcomponent.1.3Majorfibertypesusedfortextilepurposesarefurtherclassified.1.3.1Manufacturedfibersareidentifiedashavingeitheranorganicbaseorinorganicbase.1.3.2Naturalfibersareidentifiedashavingacellulosic,protein,ormineralbase.1.4Aglossaryofgenericnamesanddefinitionsformanu-facturedfibersisincludedasadditionalinformation.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextiles2.2ISOStandards:ISO2076:1999(E)Textiles–Man-madeFibers–GenericNames2.3OtherDocuments:CodeofFederalRegulations,Title16,Section303.73.Terminology3.1Definitions:3.1.1plastic,n—asrelatedtotextiles,apolymerwhichcanbecombinedwithcuratives,plasticizers,andfillersthatcanbemoldedunderheatandpressure.3.1.1.1Discussion—General–Oneofalargegroupoforganiccompoundssynthesizedfromcellularhydrocarbons,protein,andresins.Thecompoundsarecapableofbeingcast,ext...