Designation:D5359−98(Reapproved2021)StandardSpecificationforGlassCulletRecoveredfromWasteforUseinManufactureofGlassFiber1ThisstandardisissuedunderthefixeddesignationD5359;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationdescribesglassculletrecoveredfrommunicipalwastedestinedfordisposal.Therecoveredculletisintendedforuseinthemanufactureofglassfiberusedforinsulation-typeproducts.1.2Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2C162TerminologyofGlassandGlassProductsD4129TestMethodforTotalandOrganicCarboninWaterbyHighTemperatureOxidationandbyCoulometricDetectionE688TestMethodsforWasteGlassasaRawMaterialforGlassManufacturing(Withdrawn2019)33.Terminology3.1Fordefinitionsoftermsusedinthisspecification,refertoTerminologyC162.4.GeneralRequirements4.1Glassculletfrommunicipalwasteisprimarilysoda-limebottleglassandshallbeoneofthreegradesdependinguponthetotalusageraterequirementoftheuser.Thethreegradesshallsatisfythefollowingchemicalcomposition,colormix,contamination,andparticlesizerequirementsaslistedinSection4:4.2ChemicalComposition—SeeTable1.4.3ColorMix—Colorisanindicatoroftheoxidationstateofcontainercullet.SO3gassolubilityintheglassmeltisafunctionoftheglassoxidationstate.ChangesintheoxidationstateofculletaddedtothefiberglassbatchcanshifttheglassoxidationstatecausingthereleaseofdissolvedSO3gas,whichcanupsetthefurnace.AchangeintheglassoxidationstatealsomeansachangeintheglassFeOcontent.Thisaffectstheheattransferinthemeltandcanaffectfurnaceefficiencyandglassquality.SeeTabl...