Designation:D3990−12´1StandardTerminologyRelatingtoFabricDefects1ThisstandardisissuedunderthefixeddesignationD3990;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.ε1NOTE—TermsfromTestMethodD7811wereaddededitoriallyinAugust2013.1.Scope1.1Thisterminologycoversdefectsinbothwovenandknitfabrics.Descriptionsofthedefects,illustrations,andrelatedmaterialaregivenunderthemostfrequentlyusedterms;synonym(s)arelistedinparenthesesandcrossreferenced.2.ReferencedDocuments2.1ASTMStandards:D1776PracticeforConditioningandTestingTextilesD7811TestMethodForBowandSkewusingaMeasuringTool3.Terminology3.1Definitions:abrasionmark,n—anareadamagedbyfriction.(Syn.chafemark)apronmark—Seedecatingmark.baggycloth—Seewavycloth.baggyselvage—Seeslackselvage.ballingup—Seefuzzball.barré,n—anunintentional,repetitivevisualpatternofcontinu-ousbarsandstripesusuallyparalleltothefillingofwovenfabricortothecoursesofcircularknitfabric.(Comparewarpstreak,mixedfilling)DISCUSSION—Theterm“barré”issometimesusedasasynonymfor“warpstreaks”inwarpknitandwovenfabrics.Barrécanbecausedbyphysical,optical,ordyedifferencesintheyarns,geometricdifferencesinthefabricstructure,orbyanycombinationofthesedifferences.beadedselvage—Seeloopyselvage.bias—Seeskew.birdseye,n—inknittedfabrics,anunintentionaltuckstitch.blanketmark—Seesanforizingmark.blotch,n—anoffcoloredareaofanyshapecausedbygreaseoroil.(Syn.oilspot)bow,n—afabricconditionresultingwhenfillingyarnsorknittingcoursesaredisplacedfromalineperpendiculartotheselvagesandformoneormorearcsacrossthewidthoffabric.(Seealsodoublebow)bow,double—Seedoublebow.boxmark—Seeshuttlemark.break-out—Seesmash.brokenend,n—inwovenfabrics,avoidinthewarpdirectionduetoyarnbreakage.brokenfilament,n—inmult...
