Designation:D5793−18(Reapproved2022)StandardTestMethodforBindingSitesperUnitLengthorWidthofPileYarnFloorCoverings1ThisstandardisissuedunderthefixeddesignationD5793;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesthemeasurementofthenumberofbindingsitesperunitlengthorwidthofmachine-made,woven,knitted,andtuftedpileyarnfloorcoveringbothbeforeandafteradhesivebackingapplication.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776PracticeforConditioningandTestingTextilesD1909StandardTablesofCommercialMoistureRegainsandCommercialAllowancesforTextileFibersD2904PracticeforInterlaboratoryTestingofaTextileTestMethodthatProducesNormallyDistributedData(With-drawn2008)3D2906PracticeforStatementsonPrecisionandBiasforTextiles(Withdrawn2008)3D5684TerminologyRelatingtoPileFloorCoveringsE122PracticeforCalculatingSampleSizetoEstimate,WithSpecifiedPrecision,theAverageforaCharacteristicofaLotorProcess3.Terminology3.1FordefinitionstermsrelatingtoPileFloorCoverings,D13.21,refertoTerminologyD5684.3.1.1Thefollowing...
