【英文标准名称】:Fireextinguishingmedia-Foamconcentrates-Specificationforlowexpansionfoamconcentratesforsurfaceapplicationtowater-miscibleliquids
【原文标准名称】:灭火介质.泡沫浓缩物.用于水溶混性液体表面的低度膨胀泡沫浓缩物的规范
【标准号】:BSEN1568-4-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-12-15
【实施或试行日期】:2000-12-15
【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】:粘度测量;泡沫材料;膨胀;pH值;摊铺;作标记;材料的物理性质;防火安全;化学性质;灭火器;性能试验;消防设备;燃烧试验;耐火材料;粘度;表面张力;浓缩物
【英文主题词】:Chemicalproperties;Classificationsystems;Definition;Definitions;Extinguishingagents;Fireextinguishers;Fireextinguishingmaterials;Firesafety;Firefighting;Fire-fightingfoam;Flowproperties;Foamliquidcontainers;Foamingagents;Foams;Liquids;Lowexpansionfoam;Marking;Miscibility;pH;Physicalproperties;Specification(approval);Storage;Surfacetension;Testing;Viscosity
【摘要】:ThisEuropeanStandardspecifiesrequirementsforchemicalandphysicalproperties,andminimumperformancerequirementsoflowexpansionfoamssuitableforsurfaceapplicationtowater-miscibleliquids.Requirementsarealsogivenformarking.IMPORTANTNOTE:InthispartoftheEuropeanStandard,thefireperformanceistestedusingacetoneasthefuel,whichalsoformsthebasisfortheperformanceclassification.However,therearealargenumberofwater-miscibleliquidswhichhavedifferentpropertiestoacetone.Ithasbeenshownbytestsusingotherfuelthattheperformanceofvariousfoamscandifferconsiderably.ExamplesofsuchfuelsareIsopropylalcohol(IPA)andMethylEthylKetone(MEK).Itisthereforeessentialthattheuserchecksforanyunfavourableorunacceptablelossofefficiencywhenthefoamisusedagainstfiresinanyotherwater-misciblefuelsthanacetone.ThefiretestconditionsandproceduregiveninJ.2canbeusedinordertoachieveresultscomparativewithacetoneandrelatedrequirements.Otherfuelscanalsorequiretheuseofotherapplicationrates,bothhigherandlower,toachieverelevanttestdata.Otherfueltrayscanthenbeused,correctingtheamountoffueltoachievethesamefueldepthasspecifiedinI.2.ItisalsoessentialfortheusertonotethatfueldepthsandmethodsofapplicationotherthanthosespecifiedinI.2cancauseconsiderablelossofefficiency,andthesemattersshouldbecarefullyconsideredbytheuserwhenassessingthesuitabilityforparticularapplications.NOTE:SomeconcentratescomplyingwiththispartofEN1568canalsocomplywithotherpartsandthereforecanalsobesuitableforapplicationasmediumand/orhighexpansionfoams.
【中国标准分类号】:C84
【国际标准分类号】:13_220_10
【页数】:48P.;A4
【正文语种】:英语