【英文标准名称】:Plastics--Determinationofthemeltmass-flowrate(MFR)andthemeltvolume-flowrate(MVR)ofthermoplastics
【原文标准名称】:塑料.热塑性塑料熔体质量熔流流速(MFR)和熔体体积熔流流速(MVR)的测定
【标准号】:JISK7210-1999
【标准状态】:现行
【国别】:日本
【发布日期】:1999-10-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonChemicalProducts
【标准类型】:()
【标准水平】:()
【中文主题词】:流量率;流量测量;熔化;塑料;热塑性聚合物
【英文主题词】:thermoplasticpolymers;melting;flowmeasurement;flowrates;
【摘要】:1.1この規格は,熱可塑性プラスチック材料のメルトマスフローレイト(MFR)及びメルトポリュームフローレイト(MVR)を,特定の温度及び荷重条件の下で測定する方法を規定する。…
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:20P;A4
【正文语种】:日语


【英文标准名称】:Railwayapplications—Railwayrollingstockhightemperaturepowercableshavingspecialfireperformance—Part1:Generalrequirements
【原文标准名称】:铁路设施.具有特殊防火性能的铁路车辆高温电力电缆.一般要求
【标准号】:BSEN50382-1-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-05-30
【实施或试行日期】:2008-05-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:事故预防;老化(材料);燃烧特性;电缆护套;包覆材料;定义;尺寸;电缆;电线;电气装置;电性能;电驱动装置;燃烧条件;耐火性;防火安全;无卤素;高温;绝缘电缆;绝缘线;绝缘材料;绝缘系统;作标记;保护措施;铁路设施;铁路电力牵引装置;铁道车辆;铁路;额定电压;耐力;铁路车辆;安全;安全工程;安全要求;规范(验收);火焰表面传播;测试;测试要求;热应力;交通车辆
【英文主题词】:Accidentprevention;Ageing(materials);Burningbehaviours;Cablesheaths;Cables;Claddingmaterials;Definition;Definitions;Dimensions;Electriccables;Electricalcords;Electricalinstallations;Electricalproperties;Electrically-operateddevices;Fireconditions;Fireresistance;Firesafety;Halogen-free;Hightemperatures;Insulatedcables;Insulatedcords;Insulatingmaterials;Insulationsystems;Marking;Protectivemeasures;Railwayapplications;Railwayelectrictractionequipment;Railwayvehicles;Railways;Ratedvoltage;Resistance;Rollingstocks;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Surfacespreadofflame;Testing;Testingrequirements;Thermalstress;Trafficvehicles
【摘要】:ThisPart1ofEN50382specifiesthegeneralrequirementsapplicabletothecablesgiveninEN50382-2.ItincludesthedetailedrequirementsfortheinsulatingandsheathingmaterialsandothercomponentscalledupinEN50382-2.InparticularEN50382-1specifiesthoserequirementsrelatingtofiresafety.Basedonprovenexperienceandreliabilityovermanyyearsthesecablesareratedforoccasionalthermalstressescausingageingequivalenttocontinuousoperationallifeataconductortemperatureofeither120°Cor150°C.NOTEThisratingisbaseduponthepolymerdefinedin3.1.Beforethispolymerhadgainedwidespreadacceptanceinthecableindustry,ageingperformancehadbeenassessedvialongtermthermalendurancetestingandhadbeenextrapolatedto20000husingtechniquesequivalenttothoseinEN60216.Subsequentexperienceinservicehasdemonstratedthatthepredictedperformancelevelswerecorrect.Whereextrapolateddataisusedtopredictlifetimeinserviceitshouldbeconfirmedwiththecablemanufacturer,andshouldbebasedonafailuremodeappropriatetothetypeofmaterialorcable.Themaximumtemperatureforshortcircuitconditionsforsiliconerubberis350°Cbasedonadurationof5s.Althoughbothoftheinsulatingandoneofthesheathingcompoundsspecifiedinthisstandardarethermallycapableofoperatingat150°C,wheretinnedconductorsareusedthemaximumoperatingtemperatureislimitedto120°Candforthesametechnicalreasonthemaximumshortcircuittemperature,fortinnedcopperconductors,islimitedto250°C.Thechoiceofsheathmayalsolimittheoperatingtemperatureto120°C.ThisPart1shouldbeusedinconjunctionwithEN50382-2.
【中国标准分类号】:S10
【国际标准分类号】:13_220_40;29_060_20;45_060_01
【页数】:28P.;A4
【正文语种】:英语