Designation:B479–06StandardSpecificationforAnnealedAluminumandAluminum-AlloyFoilforFlexibleBarrier,FoodContact,andOtherApplications1ThisstandardisissuedunderthefixeddesignationB479;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversannealedaluminumandaluminum-alloyfoilcontaining98.00%minimumaluminumandinthicknesses0.00025in.(0.0064mm)to,butnotincluding,0.006in.(0.15mm).Alloys(seeNote1)coveredbythisspecificationinclude,butarenotlimitedto1100,1145,1235,8011,8079,and8111,whichconformtotherequire-mentsof6.1andTable1.Unlessotherwisespecifiedbythepurchaser,thealloytobesuppliedshallbelefttothediscretionoftheproducer.1.2Thefoilisforuseinpackaging,whichincludesfoodhandlingandprocessingapplications,requiringflexiblebarriermaterials,andothergeneralapplications.Thefoilmaybeusedassuppliedorlaminatedtoothermaterials,suchaspaperorplasticfilms.1.3Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,seeAnnexA1.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIvaluesinparenthesesareforinforma-tiononly.1.5Thefollowingprecautionarycaveatpertainsonlytothetestmethodportionofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—Throughoutthisspecification,useofthetermalloyinthegeneralsenseincludesaluminumaswellasaluminumalloy.NOTE2—Ifthealloyisspecifiedbythepurchaser,itsdesignationshallbeinaccordancewithANSIH35.1.TheequivalentUnifiedNumberingSystemalloydesignationsarethoseshownin1.1precededbyA9,forexample,A91100foraluminum1100inaccordancewithPracticeE527.2.ReferencedDocuments2.1Thefollowingdocumen...