HB 3654-1985 通用钻模架 （中型）
时间:2024-05-11 12:23:15 来源: 标准资料网 作者：标准资料网 阅读：8318
基本信息
| 标准名称： | 通用钻模架 （中型） |
| 中标分类： |
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| 发布日期： | 1985-12-12 |
| 实施日期： | 1986-04-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
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前言
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目录
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引用标准
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所属分类：
【英文标准名称】:StandardTestMethodforHorizontalBurningCharacteristicsofCellularPolymericMaterials
【原文标准名称】:多孔聚合材料的水平燃烧特性的标准试验方法
【标准号】:ASTMD4986-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D20.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:burningcharacteristics;burningrate;cellularmaterials;horizontal;Burningcharacteristics--rubber/cellularmaterials;Cellularplastics;Firetesting--rubber/cellularmaterials;Heatingtests--plastics;Horizontalburning(HB)rate;Polymers
【摘要】:Thistestmethodprovidesameansofmeasuringthetimeandextentofburningforcellularpolymericmaterials.Italsoprovidesameansofmeasuringburningratesformaterialsthatcontinuetoburnpastthespecifiedgagemarks.Thistestmethodprovidesameansofcomparingtheburningcharacteristicsofmaterialsoflikethicknessdensity,cellsize,andskinirregularities,includingtheeffectoffallingparticlesofcellularpolymericmaterials.Itissuitableforqualitycontrol,specificationacceptance,andforresearchanddevelopment.Examplesincludefilledorreinforced,rigidorflexible,orcutorformedmaterialsInthistestmethod,thespecimensaresubjectedtooneormorespecificsetsoflaboratoryfiretestexposureconditions.Ifdifferenttestconditionsaresubstitutedoriftheanticipatedend-useconditionsarechanged,itisnotalwayspossiblefromthistestmethodtopredictchangesintheperformancecharacteristicsmeasured.Therefore,theresultsarestrictlyvalidonlyforthefiretestexposureconditionsdescribedinthisprocedure.Thistestmethodisnotintendedtobeacriterionforfirehazard.Thefirehazardcreatedbymaterialsdependsupontheformandenduseofthematerial.Assessmentoffirehazardincludes,butisnotlimitedto,manyfactorssuchasflamespread,burningrate,easeofignition,fuelcontribution,heatevolution,productsofcombustion,andothers.1.1Thisfire-test-responsetestmethoddescribesasmall-scalehorizontallyorientedburningtestprocedureforcomparingtherelativerateofburningandtheextentandtimeofburningofcellularpolymericmaterialshavingadensitylessthan250kg/m3.1.2TheclassificationsystemdescribedintheAppendixX1isintendedforqualityassuranceandthepreselectionofcomponentmaterialsforproducts.1.3Thisstandardmeasuresanddescribestheresponseofmaterials,products,orassembliestoheatandflameundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeNote3.1.6Firetestingisinherentlyhazardous.Adequatesafeguardsforpersonnelandpropertyshallbeemployedinconductingthesetests.Note18212;ThistestmethodisequivalenttoISO9772.
【中国标准分类号】:G31
【国际标准分类号】:83_100
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-ShortRangeDevices(SRD)-TechnicalcharacteristicsforSRDequipmentusingUltraWideBandtechnology(UWB)-BuildingMaterialAnalysisandClassificationequipmentapplicationsoperating
【原文标准名称】:电磁兼容性和射频频谱管理(ERM).短程装置(SRD).用超宽带(UWB)技术的SRD设备的技术特性.工作频带为2.2GHz～8GHz的组装材料的分析和设备分类.第2部分:涵盖R&TTE指令3.2条款基本要求的协调欧洲标准
【标准号】:DINEN302435-2-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:频带;电磁兼容性;EMC;频率范围;测量;无线电工程;无线电设备;额定值;通信;测试;工作范围
【英文主题词】:Bandoffrequencies;Electromagneticcompatibility;EMC;Frequencyranges;Measurement;Radioengineering;Radioequipment;Ratings;Telecommunication;Telecommunications;Testing;Workingrange
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_060_20
【页数】:2P;A4
【正文语种】:德语