ASTM F2476-2005 用红外线探测器透过屏蔽材料测定二氧化碳气体传输率(CoTR)的试验方法

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【英文标准名称】:TestMethodfortheDeterminationofCarbonDioxideGasTransmissionRate(Co2TR)ThroughBarrierMaterialsUsingAnInfraredDetecto
【原文标准名称】:用红外线探测器透过屏蔽材料测定二氧化碳气体传输率(CoTR)的试验方法
【标准号】:ASTMF2476-2005
【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】:F02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:屏蔽;二氧化碳;测定;二氧化物;气体渗透性;气体;红外线;测试;传输
【英文主题词】:
【摘要】:Carbondioxidegastransmissionrate(CO2TR)isanimportantdeterminantofthepackagingprotectionaffordedbybarriermaterials.Itisnot,however,thesoledeterminant,andadditionaltests,basedonexperience,mustbeusedtocorrelatepackagingperformancewithCO2TR.Itissuitableasarefereemethodoftesting,providedthatpurchaserandsellerhaveagreedonsamplingprocedures,standardizationprocedures,testconditionsandacceptancecriteria.1.1Thismethodcoversaprocedurefordeterminationofthesteady-staterateoftransmissionofcarbondioxidegasthroughplasticsintheformoffilm,sheeting,laminates,coextrusions,orplastic-coatedpapersorfabrics.Itprovidesforthedeterminationof(1)carbondioxidegastransmissionrate(CO2TR),(2)thepermeanceofthefilmtocarbondioxidegas(PCO2),and(3)carbondioxidepermeabilitycoefficient(P"CO2)inthecaseofhomogeneousmaterials.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G86
【国际标准分类号】:71_100_20
【页数】:5P.;A4
【正文语种】: