Designation:F1932/F1932M−98(Reapproved2018)AnAmericanNationalStandardStandardTestMethodforMeasuringSleepingBagLoft1ThisstandardisissuedunderthefixeddesignationF1932/F1932M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONTheloft(thatis,thickness)ofasleepingbagreferstothetotalthicknessofaclosedsleepingbag.Itisaphysicaldimension/measurementusedforspecifications,design,andqualitycontrol.Loft,inandofitself,isnottobeusedtopredictthethermalpropertiesofasleepingbag.1.Scope1.1Thistestmethodcoversthedeterminationoftheloftofasleepingbagunderastandardizedload.1.2Thetestmethodusesaphysicalheightmeasurementapplicableinthelaboratory.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththetestmethod.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.Terminology2.1Definitions:2.1.1loft,n—thetotalthicknessofaclosedsleepingbagasmeasuredwhilethebagislyingflatonasurface.2.1.2sleepingbag,n—astructuremadeofdown,syntheticfiberfill,shellfabrics,orothermaterials,oracombinationthereof,thatisdesignedforpeopletouseforthermalprotec-tionwhenslee...
