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【英文标准名称】:Rubber,vulcanized;Determinationoftearstrength(trouser,angleandcrescenttestpieces)
【原文标准名称】:硫化橡胶.撕裂强度的测定(裤形,角形和新月形试片)
【标准号】:ISO34-1979
【标准状态】:作废
【国别】:国际
【发布日期】:1979-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:硫化橡胶;试样;机械试验;扯裂试验;橡胶
【英文主题词】:teartests;mechanicaltesting;testspecimens;mechanicaltests;rubber;vulcanizedrubber
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:6839
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:Firehazardtesting-Part6:Guidanceandtestmethodsontheassessmentofobscurationhazardofvisioncausedbysmokeopacityfromelectrotechnicalproductsinvolvedinfires-Section30:Smallscalestaticmethod-Determinationofsmokeopacity-De
【原文标准名称】:着火危险试验第6部分:火中电工产品产生的烟雾蔽光性引起的遮蔽危险的评定指南和试验方法第30节:小规模静态试验方法烟蔽光性的测定仪器说明
【标准号】:IEC/TR260695-6-30-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-10
【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】:能见度干扰;遮光的;烟密度;烟;试验;燃烧试验;火灾危险;电工产品
【英文主题词】:Black-out;Electrotechnicalproducts;Firerisks;Firetests;Interferencewithvisibility;Smoke;Smokedensity;Testing
【摘要】:ThissectionofIEC695-6describestheapparatus,calibrationproceduresandbasicexperimentalproceduresforthedeterminationofthespecificopticaldensityofsmokeproducedbymaterialsexposedverticallytoaradiantheatsourcewithorwithouttheapplicationofapilotflame.Thetestspecimensareofadefinedsize.Thedeterminationoftheopticaldensityiscarriedoutinapressurecontrolledchamberpreviouslycalibratedwithreferencematerials.Thismethodisapplicabletosolid,non-metallicflattestspecimensonly.Itisnotsuitableforusewithnon-planarspecimens,e.g.insulatedwireandcable,becauseitisnotpossibletoobtainahomogeneousdistributionofheatfluxwithsuchproducts.Thisstandarddoesnotprovideaclassificationsystemforthebehaviourofmaterials.Materialswhichmeltandflowawayfromthedirectimpingmentofheatfluxmaynotprovidereproducibleresultsandthismethodisnotapplicable.Virtuallyallnon-metallicmaterials,includingthoseusedinelectrotechnicalproducts,emitsmokewhenexposedtoheat.Amongthehazardsassociatedwithfire,smokecauseshumanandmaterialdamageandimpairsfirefighting.Consequently,areductionintherateofgenerationofopaquesmokeproducedbymaterials/productsduringafirereducesdamagetoequipment,facilitatesevacuationofpeopleandemergencyservicesinter-vention.WARNING:Appropriatesafetymeasuresaretobetakenastoxicandharmfuleffluentsmaybeproducedbypyrolysisorcombustionoftestspecimens.
【中国标准分类号】:C80
【国际标准分类号】:13_220_40;29_020
【页数】:69P.;A4
【正文语种】:英语