ASTM F392-1993(2004) 挠性阻挡层材料耐挠曲度的标准试验方法
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【英文标准名称】:StandardTestMethodforFlexDurabilityofFlexibleBarrierMaterials
【原文标准名称】:挠性阻挡层材料耐挠曲度的标准试验方法
【标准号】:ASTMF392-1993(2004)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:F02.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:包装;柔性材料;包装件;阻挡层材料;试验;抗弯强度
【英文主题词】:barrier;barriermaterials;flexcrack;flexresistance;flexible;pinhole
【摘要】:Thistestmethodisvaluableindeterminingtheresistanceofflexible-packagingmaterialstoflex-formedpinholefailures.Thistestmethoddoesnotmeasureanyabrasioncomponentrelatingtoflexfailure.Physicalholescompletelythroughthestructurearetheonlyfailuresmeasuredbythecolored-turpentine-pinholeportionofthistest.Failuresintheintegrityofoneofthepliesofamulti-plystructurewillnotbedeterminedbythecolored-turpentinetest.Gaspermeationormoisturevaportransmissiontests,orboth,canbeusedinconjunctionwiththeflextesttomeasurethelossofplyintegrity.However,anypermeationtestrequiringapressuredifferentialwillnotmeasurethepermeationcoefficientinthepresenceofpinholes.4.3.1Thevariousconditionsdescribedinthisprocedurearetopreventtestingastructureunderconditionsthateithergivetoomanyholestoeffectivelycountandbesignificant(normallygreaterthan50),ortoofewtobesignificant(normallylessthanfivepersample).Measurementsonnylonfilm,possiblybecauseofitshydrophilicnature,havenotshowngoodreproducibility(betweenlaboratories),althoughtherepeatabilityofthedatawithinalaboratorywasgood.1.1Thistestmethodcoversthedeterminationoftheflexresistanceofflexiblebarriermaterials.Pinholeformationisthecriterionpresentedformeasuringfailure,butothertestssuchasgas-transmissionratescanbeusedinplaceofthepinholetest.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin.
【中国标准分类号】:A82
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:挠性阻挡层材料耐挠曲度的标准试验方法
【标准号】:ASTMF392-1993(2004)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:F02.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:包装;柔性材料;包装件;阻挡层材料;试验;抗弯强度
【英文主题词】:barrier;barriermaterials;flexcrack;flexresistance;flexible;pinhole
【摘要】:Thistestmethodisvaluableindeterminingtheresistanceofflexible-packagingmaterialstoflex-formedpinholefailures.Thistestmethoddoesnotmeasureanyabrasioncomponentrelatingtoflexfailure.Physicalholescompletelythroughthestructurearetheonlyfailuresmeasuredbythecolored-turpentine-pinholeportionofthistest.Failuresintheintegrityofoneofthepliesofamulti-plystructurewillnotbedeterminedbythecolored-turpentinetest.Gaspermeationormoisturevaportransmissiontests,orboth,canbeusedinconjunctionwiththeflextesttomeasurethelossofplyintegrity.However,anypermeationtestrequiringapressuredifferentialwillnotmeasurethepermeationcoefficientinthepresenceofpinholes.4.3.1Thevariousconditionsdescribedinthisprocedurearetopreventtestingastructureunderconditionsthateithergivetoomanyholestoeffectivelycountandbesignificant(normallygreaterthan50),ortoofewtobesignificant(normallylessthanfivepersample).Measurementsonnylonfilm,possiblybecauseofitshydrophilicnature,havenotshowngoodreproducibility(betweenlaboratories),althoughtherepeatabilityofthedatawithinalaboratorywasgood.1.1Thistestmethodcoversthedeterminationoftheflexresistanceofflexiblebarriermaterials.Pinholeformationisthecriterionpresentedformeasuringfailure,butothertestssuchasgas-transmissionratescanbeusedinplaceofthepinholetest.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin.
【中国标准分类号】:A82
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:
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