【英文标准名称】:StandardTestMethodsforMeasurementofSyntheticPolymerMaterialFlammabilityUsingaFirePropagationApparatus(FPA)
【原文标准名称】:使用火焰蔓延装置(FPA)的合成聚合体材料易燃性测量用标准试验方法
【标准号】:ASTME2058-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:E05.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:有效燃烧热;火焰蔓延装置;易燃性特性;向上的火焰蔓延;火焰蔓延装置(FPA);易燃性-塑料;高聚物;合成聚合体
【英文主题词】:effectiveheatofcombustion;firepropagationapparatus;flammabilitycharacteristics;upwardfirepropagation;Firepropagationapparatus(FPA);Flammability--plastics;Polymers;Syntheticpolymers
【摘要】:Thesetestmethodsareanintegralpartofexistingteststandardsforcablefirepropagationandcleanroommaterialflammability,aswellas,inanapprovalstandardforconveyorbelting(1-3).Refs(1-3)usethesetestmethodsbecausefire-test-responseresultsobtainedfromthetestmethodscorrelatewithfirebehaviorduringreal-scalefirepropagationtests,asdiscussedinX1.4TheIgnition,Combustion,orFirePropagationtestmethod,oracombinationthereof,havebeenperformedwithmaterialsandproductscontainingawiderangeofpolymercompositionsandstructures,asdescribedinX1.7.TheFirePropagationtestmethodisdifferentfromthetestmethodsintheASTMstandardslistedin2.1byvirtueofproducinglaboratorymeasurementsofthechemicalheatreleaserateduringupwardfirepropagationandburningonaverticaltestspecimeninnormalair,oxygen-enrichedair,orinoxygen-vitiatedair.Testmethodsfromotherstandards,forexample,TestMethodE1321,whichyieldsmeasurementsduringlateral/horizontalordownwardflamespreadonmaterialsandTestMethodsE906,E1354,andE1623,whichyieldmeasurementsoftherateofheatreleasefrommaterialsfullyinvolvedinflamingcombustion,generallyuseanexternalradiantflux,ratherthantheflamesfromtheburningmaterialitself,tocharacterizefirebehavior.Thesetestmethodsarenotintendedtoberoutinequalitycontroltests.Theyareintendedforevaluationofspecificflammabilitycharacteristicsofmaterials.Materialstobeanalyzedconsistofspecimensfromanend-useproductorthevariouscomponentsusedintheend-useproduct.Resultsfromthelaboratoryproceduresprovideinputtofirepropagationandfiregrowthmodels,riskanalysisstudies,buildingandproductdesigns,andmaterialsresearchanddevelopment.1.1Thisfire-test-responsestandarddeterminesandquantifiessyntheticpolymermaterialflammabilitycharacteristics,relatedtothepropensityofmaterialstosupportfirepropagation,bymeansofafirepropagationapparatus(FPA).Materialflammabilitycharacteristicsthatarequantifiedincludetimetoignition(tign),chemical(x02D9;Qchem),andconvective(x02D9;Qc)heatreleaserates,masslossrate(x02D9;m)andeffectiveheatofcombustion(EHC).1.2Thefollowingtestmethods,capableofbeingperformedseparatelyandindependently,areincludedherein:1.2.1IgnitionTest,todeterminetignforahorizontalspecimen;1.2.2CombustionTest,todeterminex02D9;Qchem,x02D9;Qc,x02D9;m,andEHCfromburningofahorizontalspecimen;and,1.2.3FirePropagationTest,todeterminex02D9;Qchemfromburningofaverticalspecimen.1.3DistinguishingfeaturesoftheFPAincludetungsten-quartzexternal,isolatedheaterstoprovidearadiantfluxofupto65kW/m2tothetestspecimen,whichremainsconstantwhetherthesurfaceregressesorexpands;provisionforcombustionor......
【中国标准分类号】:C80
【国际标准分类号】:59_060_20
【页数】:31P.;A4
【正文语种】:
基本信息
| 标准名称： | 移动通信直放站工程设计规范 |
| 英文名称： | Specifications of Engineering Design for Mobile Communication Repeater |
| 发布部门： | 中华人民共和国信息产业部 |
| 发布日期： | 2006-07-25 |
| 实施日期： | 2006-10-01 |
| 首发日期： | |
| 作废日期： | |
| 起草单位： | 中讯邮电咨询设计院 |
| 出版社： | 北京邮电大学 |
| 出版日期： | 2006-10-01 |
| 页数： | 23页 |
适用范围
本规范适用于新建移动通信直放站工程的安装设计，改、扩建工程设计参照执行。
前言
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引用标准
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所属分类： 工程建设 原材料工业及通信 广播工程 通信工程