Designation:D6540−22StandardTestMethodforAcceleratedSoilingofPileYarnFloorCovering1ThisstandardisissuedunderthefixeddesignationD6540;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribestheequipment,andthetestmethodforassessingthepropensityofpileyarnfloorcoveringstosoilingintheabsenceofabrasivewearandtexturechanges,usingastandardsyntheticsoilcomposition.1.2Thistestmethodisapplicableforuseintestingunusedpileyarnfloorcoveringofalltypes.Itisnotapplicableforuseintestingusedpileyarnfloorcovering.1.3Thistestmethodcanbeusedtocomparethesoilingpropensityoftwoormorecarpets;oritcanbeusedtosoilcarpetsasapreliminarysteptoothertestprocedures.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.6Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776PracticeforConditioningandTestingTextilesD5684TerminologyRelatingtoPileFloorCoverings2.2ASTMAdjunct:TEX-PAC32.3AATCCStandards4:EvaluationProcedure1–GrayScaleforColorChangeTM122CarpetSoiling:ServiceSoilingMethod3.Terminology3.1FordefinitionsoftermsrelatingtoPileFloorCoverings,D13.21,refertoTerminologyD5684.3.1.1Thefoll...
