Designation:D3074–94StandardTestMethodsforPressureinMetalAerosolContainers1ThisstandardisissuedunderthefixeddesignationD3074;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscoverthedeterminationofpressureinmetalaerosolcontainers.1.2Thetestmethodsappearinthefollowingorder:SectionsCan-PiercingMethod6to9ValveMeasurementMethod10to131.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:D996TerminologyofPackagingandDistributionEnviron-ments2D3064TerminologyRelatingtoAerosolProducts2E1SpecificationforASTMThermometers33.Terminology3.1Generaldefinitionsforpackaginganddistributionenvi-ronmentsarefoundinTerminologyD996.3.2GeneraldefinitionsoftermsrelatingtoaerosolproductsarefoundinDefinitionsD3064.4.SummaryofTestMethods4.1TheCan-PiercingTestMethodutilizescan-puncturingdevicesforvapor-phasemeasurements.4.2TheValveMeasurementTestMethodmeasuresthepressurethroughthevalve,usingadaptersthatareinsertedinthevalvestem,orformasealaroundthetopofthestem.5.SignificanceandUse5.1ThetypeofcontainerspecifiedbytheDepartmentofTransportation(DOT)foranaerosolproductisdetermined,inpart,bythepressureoftheproduct.Formanyyears,thestandardtemperatureforpressuremeasurementswas70°F(21°C).Inrecentyears,thetemperaturewaschangedfrom70to130°F(54°C).5.2Asurveyatthetimethetemperaturewaschangedshowedthatthesetwomethodsformeasuringpressuresat130°F(54°C)wereingeneraluse.Thesetestmethodscanalsobeusedformeasuringpressuresattemperaturesotherthan130°F(forexample,70°F(21°C)).5.3ThereislittlepossibilityofcontaminatingthegagewiththeuseoftheCan-P...
