Designation:D6283−21StandardTestMethodforTuftElementLengthofUncoatedPileYarnFloorCoverings1ThisstandardisissuedunderthefixeddesignationD6283;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthemeasurementoftuftlengthandpileyarnlengthofuncoatedpilefloorcoverings.1.2Usuallythetuftelementsmeasuredasdirectedinthistestmethodwilleachbeboundatonlyonebindingsite,butthistestmethodalsomaybeusedfortuftelementsboundatmorethanonebindingsite,providedthateverytuftelementmeasuredisboundatthesamenumberofbindingsites.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776PracticeforConditioningandTestingTextilesD5684TerminologyRelatingtoPileFloorCoverings3.Terminology3.1FordefinitionsoftermsrelatingtoPileFloorCoverings,D13.21,refertoTerminologyD5684.3.1.1Thefollowingtermsarerelevanttothisstandard:carpet,cutpileyarnfloorcovering,finished,finishedpileyarnfloorcovering,floorcovering,looppileyarnfloorcovering,pile,pileyarnfloorcovering,textilefloorcovering,tuft,tuftelement,tuftleg,tuftlength,tuftedfabric.3.2Fordefini...
