ASTM F2391-2005 使用氦作为示踪气体测量包装和密封完整性的标准试验方法

作者:标准资料网 时间:2024-05-14 17:45:14   浏览:8298   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforMeasuringPackageandSealIntegrityUsingHeliumastheTracerGas
【原文标准名称】:使用氦作为示踪气体测量包装和密封完整性的标准试验方法
【标准号】:ASTMF2391-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:blisterpackaging;bottles;cartridges;flexiblepackaging;gasbarrierperformance;heliumleaktest;impermeablepackaging(andmaterials);integritymonitoring;massspectrometer;massspectrometerleaktest;massspectrometersensor;pass/failcriteri
【摘要】:Thevacuum,bubbletestmethod,asdescribedinTestMethodD3078,andvariousotherleakdetectionmethodsdescribedelsewhere(TestMethodD4991,GuideE432,GuideE479,TestMethodE493,TestMethodE498,TestMethodE499,andTestMethodE1603)havebeensuccessfullyusedwidelyinvariousindustriesandapplicationstodeterminethatagivenpackageisorisnotax201C;leaker.x201D;Thesensitivityofanyselectedleaktestmethodhastobeconsideredtodetermineitsapplicabilitytoaspecificsituation.Theprocedurespresentedinthistestmethodallowtheusertocarryoutpackageandsealintegritytestingwithsufficientsensitivitytoquantifysealsinthepreviouslydefinedmoderatetoveryfinesealranges.Byemployingseal-isolatingleaktestingfixtures,packagesconstructedofvariousmaterialscanbetestedinthefullrangeofsealperformancerequirements.Designofthesefixturesisbeyondthescopeofthismethod.Theseseal/packageintegritytestprocedurescanbeutilizedas:5.4.1Adesigntool,5.4.2Fortoolingqualification,5.4.3Processsetup,5.4.4Processvalidationtool,5.4.5Qualityassurancemonitoring,or5.4.6Researchanddevelopment.1.1Thistestmethodincludesseveralproceduresthatcanbeusedforthemeasurementofoverallpackageandsealbarrierperformanceofavarietyofpackagetypesandpackageforms,aswellasseal/closuretypes.Thebasicelementsofthismethodinclude:1.1.1Helium(employedastracergas),1.1.2Heliumleakdetector(massspectrometer),and1.1.3Package/product-specifictestfixtures.1.1.4Mostapplicationsofheliumleakdetectionaredestructive,inthatheliumneedstobeinjectedintothepackageafterthepackagehasbeensealed.Theinjectionsitethenneedstobesealed/patchedexternally,whichoftendestroysitssaleability.Alternatively,ifheliumcanbeincorporatedintotheheadspacebeforesealing,themethodcanbenon-destructivebecauseallthatneedstobeaccomplishedistosimplydetectforheliumescapingthesealedpackage.1.2Twoproceduresaredescribed;howeverthesupportingdatainSection14onlyreflectsProcedureB(VacuumMode).Thealternative,SnifferMode,hasproventobeavaluableprocedureformanyapplications,butmayhavemorevariabilityduetoexactlythemannerthattheoperatorconductsthetestsuchaswhetherthepackageissqueezed,effectofmultiplesmallleakscomparedtofewerlargeleaks,backgroundheliumconcentration,packagepermeabilityandspeedatwhichthescanisconducted.Furthertestingtoquantifythisproceduresvariabilityisanticipated,butnotincludedinthisversion.1.2.1ProcedureA:SnifferMode8212;thepackageisscannedexternallyforheliumescapingintotheatmosphereorfixture.1.2.2ProcedureB:VacuumMode8212;theheliumcontainingpackageisplacedinaclosedfixture.Afterdrawingavacuum,heliumescapingintotheclosedfixture(capturevolume)isdetected.Typically,thefixturesarecustommadeforthespecificpackageundertest.1.3Thesensitivityofthemethodcanrangefromthedetectionof:1.3.1Largeleaks-10-2Pam3/sto10-5Pam3/s(10-1cc/sec/atmto10-4cc/sec/atm).1.3.2Moderateleaks-10-5Pam3/sto10-7Pam3/s(10-4cc/sec/atmto10-6cc/sec/atm).1.3.3Fineleaks-10-7Pam3
下载地址: 点击此处下载
【英文标准名称】:Steelwireandwireproductsforfencingandnetting-Part1:Zincandzinc-alloycoatedsteelbarbedwire;GermanversionEN10223-1:2012
【原文标准名称】:栅栏和网用钢丝和钢丝制品.第1部分:锌和锌合金涂层的带刺钢丝.德文版本EN10223-1-2012
【标准号】:DINEN10223-1-2013
【标准状态】:现行
【国别】:德国
【发布日期】:2013-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:刺钢丝;栏栅;材料;材料试验;特性;半成品;规范(验收);钢丝制品;钢丝;试验;加捻;金属线;锌合金;锌覆层
【英文主题词】:Barbedwire;Fences;Materials;Materialstesting;Properties;Semi-finishedproducts;Specification(approval);Steelwireproducts;Steelwires;Testing;Twisting;Wires;Zincalloys;Zinccoatings
【摘要】:
【中国标准分类号】:
【国际标准分类号】:77_140_65
【页数】:12P;A4
【正文语种】:德语


【英文标准名称】:Professionaltraining.Professionaltrainingbody.Serviceandprovisionofservice:specifications.
【原文标准名称】:职业培训.职业培训机构.服务和服务条例.规范
【标准号】:NFX50-761-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-02-01
【实施或试行日期】:1998-02-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A18
【国际标准分类号】:03_100_30
【页数】:26P.;A4
【正文语种】:其他