Designation:D3094−00(Reapproved2010)StandardTestMethodforSeepageRateofAerosolProducts1ThisstandardisissuedunderthefixeddesignationD3094;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofapproxi-matemasslossduetovalveseepagerate2ofaerosolproductsbythecollectionandmeasurementofgasesseepingthroughthevalveandintoaspecialeudiometertube,overarelativelyshorttimeperiod.1.2Itcanbeshownthattheaveragerefrigeration-filledaerosolproductseepstotheextentofapproximately3.0mLwhenthecorrespondingmasslossis0.10oz(2.9cm3)/year.Thisfigureispartiallybasedonaircontentandissubjecttovariationsaccordingtofillingconditions.Thistestmethodisnotconsidereddependablewhenappliedtopressure-filled,unpurgedaerosolproducts.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.SignificanceandUse2.1Thistestmethodaffordsamorerapidanswertotheever-presentproblemofmasslossduringstorage.Itisofparticularvalueindeterminingtheeffectivenessofvalvestakeandclinchsealelastomersincontactwithnewformulations.Thistestmethodmayalsobeusedtoevaluatenewvalveswithstandardmixtures.3.Apparatus3.1Bath,constant-temperature,equippedwithathermo-regulatorsufficienttomaintainwaterat8062°F(2661°C).Thetankshouldbeofsufficientproportionstoaccommodatethenecessarynumberoftestspecimensinanuprightposition,sothateachspecimenissurroundedbyapproximately1in.(25mm)ofwater.3.2EudiometerTubes(Fig.1andFig.2),custom-orderedor...
