【英文标准名称】:Implantsforsurgery-Ultra-highmolecularweightpolyethylene-Powderform
【原文标准名称】:外科用植入物.超高分子量聚乙烯.粉剂型
【标准号】:BSISO5834-1-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-10-15
【实施或试行日期】:1998-10-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:外科设备;成份允差;污染;化学分析和试验;合格证明书;杂质;痕量元素分析;灰分测定;作标记;流变性能;粒状材料;外科植入物;粘度;塑料;含量测定;高聚物;等级(质量);聚乙烯
【英文主题词】:
【摘要】:
【中国标准分类号】:C45
【国际标准分类号】:11_040_40;83_080_20
【页数】:12P;A4
【正文语种】:英语


【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】: