Designation:D5548−13(Reapproved2020)StandardGuideforEvaluatingColorTransferorColorLossofDyedFabricsinLaundering(NotSuitableforDetergentorWashingMachineRankings)1ThisstandardisissuedunderthefixeddesignationD5548;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoverstheevaluationoftheeffectofdyestuffcolortransferorcolorlossfromdyedfabrics.Itisdesignedasalaboratoryscreeningtesttoaidintheformulationofdetergentproductsorthecomparisonoftwoormoredeter-gents.1.2Thereisnosingleassessmentthatwillgivetheoverallperformanceofalaundryproduct.Asingletestcanonlysuggesthowaformulationperformsundertheparticularconditionschosenfortheevaluationandcannotbeexpectedtoreflectcomparativeproductperformanceunderthemanyotherpossibleconditionsofuse.Aseriesofassessmentsisalwaysnecessaryinordertoevaluatethemanyaspectsofproductperformance.Itisnecessarytoconductconfirmingtestsundercontrolledbutpracticalhome-launderingconditionstosimu-lateconsumerexperience.1.3Thevaluesstatedineitherinch-poundorSIunitsaretoberegardedseparatelyasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D459TerminologyRelatingtoSoapsandOtherDetergentsD1776PracticeforConditioningandTestingTextilesE179GuideforSelectiono...