Designation:C1488–04´1StandardPracticeforSimulatedAgingofCellulosicLoose-FillInsulation1ThisstandardisissuedunderthefixeddesignationC1488;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.´1NOTE—UnitsofMeasurewereupdatedinMarch2009.1.Scope1.1Thispracticecoversaproceduretosimulatetheagingprocessofcellulosicloose-fillinsulationbysubjectingittocontrolledlaboratoryconditionsoftemperatureandhumiditysothattheinsulationwillbefurtherevaluated,particularlyforcriticalradiantfluxcharacteristics.1.2Itisnottheintentofthispracticetoestablishagingconditionsthatrepresentallpossibleexposures.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C168TerminologyRelatingtoThermalInsulationC687PracticeforDeterminationofThermalResistanceofLoose-FillBuildingInsulationC739SpecificationforCellulosicFiberLoose-FillThermalInsulationC870PracticeforConditioningofThermalInsulatingMa-terialsC1485TestMethodforCriticalRadiantFluxofExposedAtticFloorInsulationUsinganElectricRadiantHeatEnergySourceE970TestMethodforCriticalRadiantFluxofExposedAtticFloorInsulationUsingaRadiantHeatEnergySource2.2OtherDocument:NBSIR84-2917EnvironmentalCyclingofCellulosicTher-malInsulationandItsInfluenceonFirePerformance3.Terminology3.1Definitions—TerminologyC168shallbeconsideredasapplicabletothetermsusedinthispractice.3.2DefinitionsofTermsS...