Designation:D5237−14StandardGuideforEvaluatingFabricSofteners1ThisstandardisissuedunderthefixeddesignationD5237;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideevaluatestheperformancecharacteristicsoffabricsoftenerproducts.Itprovidesguidanceforevaluatingtheonfabricefficacyoftreatmentchemicalsdosedintothewash,rinse,ordryercycleinahomelaundrywasherordryer.Thisguidecanbeusedforscreeningoffabricsoftenerproducts,ortoevaluatetheproductsthroughmultipleaccu-mulativecycles.1.2Therelativerankingofproductsassessedbytheseproceduresmaybeaffectedbysuchfactorsasmachinetypeandsettings,fabricloadcomposition,aswellasbythewashinganddryingproceduresused.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E313PracticeforCalculatingYellownessandWhitenessIndicesfromInstrumentallyMeasuredColorCoordinatesE1958GuideforSensoryClaimSubstantiationE2164TestMethodforDirectionalDifferenceTest2.2AATCCStandard:3AATCCTestMethod110-1994WhitenessofTextiles3.Terminology3.1Definitions:3.1.1fabricsoftener,n—laundryauxiliaryproductorlaun-drydetergentingredientthatgivesfabricsasoftfeel,smoothsurface,providesfragrance,orreducesstaticelectricity,oracombinationthereof.3.1.2front-loadinghigh-effıciency(HE)washingmachine/washer,n—horizontallyornearlyhorizontallyorientedma-chineusedforlaundrythatusesvaryingamountsofwatertolaunderfabrics.3.1.2.1Discussion—Thesewashers(1)maynote...
