ASTM C 780-1994 普通及钢筋混凝土砌块用灰浆的预施工及施工评定方法

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【英文标准名称】:Firehazardtesting-Part11-20:Testflames-500Wflametestmethods
【原文标准名称】:着火危险试验.第11-20部分:试验火焰.500W火焰试验法
【标准号】:IEC60695-11-20-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-03-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC89
【标准类型】:()
【标准水平】:()
【中文主题词】:烧尽;定义;电气工程;电气设备;着火危险试验;火灾危险;燃烧试验;阻燃性;火焰;泡沫塑料;实验室试验;非金属的;塑料;塑料制品;特性;质量保证;火焰表面传播;试验用图表;试验火焰;试验
【英文主题词】:Burnout;Definitions;Electricalengineering;Electricalequipment;Firehazardtest;Firerisks;Firetests;Flameresistance;Flames;Foamedplastics;Laboratorytesting;Nonmetallic;Plastics;Plasticsproducts;Properties;Qualityassurance;Surfacespreadofflame;Testcharts;Testflames;Testing
【摘要】:ThispartofIEC60695specifiesasmall-scalelaboratoryscreeningprocedureforcomparingtherelativeburningbehaviourofspecimensmadefromplasticsandothernon-metallicmaterials,aswellastheirresistancetoburn-throughwhenexposedtoaflameignitionsourceof500Wnominalpower.Thismethodisapplicabletobothsolidmaterialsandcellularplasticmaterialshavinganapparentdensityof250kg/morgreaterwhendeterminedinaccordancewithISO845.Itdoesnotapplytothinmaterialsthatshrinkawayfromtheappliedflamewithoutigniting,forwhichISO9773shouldbeused.Thetestmethoddescribedisintendedtocharacterizematerialperformance,forexampleforquality-controlpurposes,andisnotintendedtoassessthebehaviourtofireofbuildingmaterialsorfurnishings.Itmaybeusedforthepre-selectionofamaterial,providedthatpositiveresultsareobtainedatathicknesswhichequalsthesmallestthicknessusedintheapplication.Theresultsobtainedprovidesomeinformationaboutthebehaviourofplasticmaterialsinservice,butcanneverbythemselvesassuresafeperformanceinservice.NOTETestresultsareinfluencedbymaterialcomponents,e.g.pigments,fillers,andfireretardants,andpropertiessuchasthedirectionofanisotropyandthemolecularmass.Thistestmethodprovidesaclassificationsystem(see8.4)whichmaybeusedforqualityassuranceorthepre-selectionofcomponentmaterialsofproducts.
【中国标准分类号】:K04;C80;L04
【国际标准分类号】:13_220_40;29_020
【页数】:37P.;A4
【正文语种】:英语


MIL-T-50777A (NOTICE 1), MILITARY SPECIFICATIONTUBE, ALUMINUM ALLOY, 2024, SEAMLESS (FOR PROPELLANTACTUATED DEVICES) (13 JUL 1999) [NO S/S DOCUMENT]., MIL-T-50777A, dated 15 May 1990, is inactive for new design andis no longer used, except for replacement purposes.