ASTM F1927-2007 用库仑检测器测定氧气传输率、渗透率和穿透屏蔽材料的受控相对湿度渗透的标准试验方法
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【英文标准名称】:StandardTestMethodforDeterminationofOxygenGasTransmissionRate,PermeabilityandPermeanceatControlledRelativeHumidityThroughBarrierMaterialsUsingaCoulometricDetector
【原文标准名称】:用库仑检测器测定氧气传输率、渗透率和穿透屏蔽材料的受控相对湿度渗透的标准试验方法
【标准号】:ASTMF1927-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:阻挡层材料;库仑法;探测器;测定;透气性;湿度;氧;渗透率;试验方法
【英文主题词】:oxygengas;transmissionrate;permeability;permeance;relativehumidity;barriermaterials;coulometricdetector
【摘要】:O2GTRatagiventemperatureand%RHisanimportantdeterminantofthepackagingprotectionaffordedbybarriermaterials.Itisnot,howeverthesoledeterminant,andadditionaltests,basedonexperience,mustbeusedtocorrelatepackagingperformancewithO2GTR.Itissuitableasarefereemethodoftesting,providedthatpurchaserandsellerhaveagreedonsamplingprocedures,standardizationprocedures,testconditionsandacceptancecriteria.1.1Thistestmethodcoversaprocedurefordeterminationoftherateoftransmissionofoxygengas,atsteady-state,atagiventemperatureand%RHlevel,throughfilm,sheeting,laminates,co-extrusions,orplastic-coatedpapersorfabrics.Thistestmethodextendsthecommonpracticedealingwithzerohumidityor,atbest,anassumedhumidity.Humidityplaysanimportantroleintheoxygengastransmissionrate(O2GTR)ofmanymaterials.Thistestmethodprovidesforthedeterminationofoxygengastransmissionrate(O2GTR),thepermeanceofthefilmtooxygengas(PO2),thepermeationcoefficientofthefilmtoitsthickness(PO2),andoxygenpermeabilitycoefficient(PO2)inthecaseofhomogeneousmaterialsatgiventemperatureand%RHlevel(s).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection9.
【中国标准分类号】:A42
【国际标准分类号】:83_140_01
【页数】:6P.;A4
【正文语种】:
【原文标准名称】:用库仑检测器测定氧气传输率、渗透率和穿透屏蔽材料的受控相对湿度渗透的标准试验方法
【标准号】:ASTMF1927-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:阻挡层材料;库仑法;探测器;测定;透气性;湿度;氧;渗透率;试验方法
【英文主题词】:oxygengas;transmissionrate;permeability;permeance;relativehumidity;barriermaterials;coulometricdetector
【摘要】:O2GTRatagiventemperatureand%RHisanimportantdeterminantofthepackagingprotectionaffordedbybarriermaterials.Itisnot,howeverthesoledeterminant,andadditionaltests,basedonexperience,mustbeusedtocorrelatepackagingperformancewithO2GTR.Itissuitableasarefereemethodoftesting,providedthatpurchaserandsellerhaveagreedonsamplingprocedures,standardizationprocedures,testconditionsandacceptancecriteria.1.1Thistestmethodcoversaprocedurefordeterminationoftherateoftransmissionofoxygengas,atsteady-state,atagiventemperatureand%RHlevel,throughfilm,sheeting,laminates,co-extrusions,orplastic-coatedpapersorfabrics.Thistestmethodextendsthecommonpracticedealingwithzerohumidityor,atbest,anassumedhumidity.Humidityplaysanimportantroleintheoxygengastransmissionrate(O2GTR)ofmanymaterials.Thistestmethodprovidesforthedeterminationofoxygengastransmissionrate(O2GTR),thepermeanceofthefilmtooxygengas(PO2),thepermeationcoefficientofthefilmtoitsthickness(PO2),andoxygenpermeabilitycoefficient(PO2)inthecaseofhomogeneousmaterialsatgiventemperatureand%RHlevel(s).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection9.
【中国标准分类号】:A42
【国际标准分类号】:83_140_01
【页数】:6P.;A4
【正文语种】:
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