【英文标准名称】:Plastics-Smokegeneration-Determinationofopticaldensitybyasingle-chambertest
【原文标准名称】:塑料.烟雾产生.单室试验测定光密度
【标准号】:BSENISO5659-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-02-28
【实施或试行日期】:2007-02-28
【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】:定义;定义(术语);测定;高温试验;材料;测量;光密度;塑料;单式试验;烟雾扩展;试验材料;试样;测试;测试装置
【英文主题词】:Definition;Definitions;Determination;High-temperaturetesting;Materials;Measurement;Opticaldensity;Plastics;Single-chambertests;Smokedevelopment;Testmaterial;Testspecimens;Testing;Testingdevices
【摘要】:ThispartofISO5659specifiesamethodofmeasuringsmokeproductionfromtheexposedsurfaceofspecimensofessentiallyflatmaterials,compositesorassembliesnotexceeding25mminthicknesswhenplacedinahorizontalorientationandsubjectedtospecifiedlevelsofthermalirradianceinaclosedcabinetwithorwithouttheapplicationofapilotflame.Thismethodoftestisapplicabletoallplasticsandmayalsobeusedfortheevaluationofothermaterials(e.g.rubbers,textile-coverings,paintedsurfaces,woodandothermaterials).Itisintendedthatthevaluesofopticaldensitydeterminedbythistestbetakenasspecifictothespecimenorassemblymaterialintheformandthicknesstested,andarenottobeconsideredinherent,fundamental,properties.Thetestisintendedprimarilyforuseinresearchanddevelopmentandinfiresafetyengineeringofbuildings,trains,ships,etc.,andnotasabasisforratingsforbuildingcodesorotherpurposes.Nobasisisprovidedforpredictingthedensityofsmokethatmaybegeneratedbythematerialsuponexposuretoheatandflameunderother(actual)exposureconditions,norisanycorrelationestablishedwithmeasurementsderivedfromothertestmethods.Thistestprocedureexcludestheeffectofirritantsontheeye.Itisemphasizedthatsmokeproductionfromamaterialvariesaccordingtotheirradianceleveltowhichthespecimenisexposed.Inmakinguseoftheresultsofthismethod,itshouldbeborneinmindthattheresultsarebasedonexposuretothespecificirradiancelevelsof25kW/m2and50kW/m2.
【中国标准分类号】:G31
【国际标准分类号】:13_220_40;83_080_01
【页数】:48P.;A4
【正文语种】:英语