DIN 5687 T.3-1980 不按量规允差检验的圆钢链.质量等级8
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来源:标准资料网
【英文标准名称】:RoundSteelChains;QualityGrade8,Not-True-to-Gauge-Size,Tested
【原文标准名称】:不按量规允差检验的圆钢链.质量等级8
【标准号】:DIN5687T.3-1980
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J80
【国际标准分类号】:
【页数】:
【正文语种】:
基本信息
标准名称: | EW25、EW30无碱玻璃纤维布产品质量分等 |
中标分类: |
电工 >>
电工材料和通用零件 >>
电工绝缘材料及其制品 |
发布日期: | |
实施日期: | 1992-07-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 2页 |
适用范围
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前言
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引用标准
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所属分类: 电工 电工材料和通用零件 电工绝缘材料及其制品
【英文标准名称】:StandardTestMethodforColorStabilityofBuildingConstructionSealantsasDeterminedbyLaboratoryAcceleratedWeatheringProcedures
【原文标准名称】:用实验室加速风化程序测定建筑物密封材料颜色稳定性的标准试验方法
【标准号】:ASTMC1501-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:C24.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:artificialacceleratedweathering;sealant;colorchange;colorstability;Acceleratedweathering--sealants;Color--sealants;Colorstability;Laboratory--building/constructionmaterialsanalysis;Sealants
【摘要】:Thistestmethodisintendedtoinducecolorchangesinsealants,aswellastheirconstituentpigments,associatedwithend-useconditions,includingtheeffectsofsunlight,moisture,andheat.Theexposuresusedinthistestmethodarenotintendedtosimulatethecolorchangeofasealantcausedbylocalizedweatheringphenomena,suchasatmosphericpollution,biologicalattack,andsaltwaterexposure.Whenconductingexposuresindevicesthatuselaboratorylightsources,itisimportanttoconsiderhowwelltheartificialtestconditionswillreproducepropertychangesandfailuremodesassociatedwithend-useenvironmentsforthesealantbeingtested.InformationontheuseandinterpretationofdatafromacceleratedexposuretestsisprovidedinASTMG151.Whenthistestmethodisusedaspartofaspecification,exactprocedure,testconditions,testdurationandevaluationtechniquemustbespecified.Resultsobtainedbetweenthetwoproceduresmayvary,becausethespectralpowerdistributionofthelightsources(fluorescentUVandxenonarc)differ.Sealantsshouldnotbecomparedtoeachotherbasedontheresultsobtainedindifferenttypesofapparatus.Thesedevicesarecapableofmatchingultravioletsolarradiationreasonablywell.However,forsealantssensitivetolongwavelengthUVandvisiblesolarradiation,theabsenceofthisradiationinthefluorescentUVapparatuscandistortcolorstabilityrankingwhencomparedtoexteriorenvironmentexposure.Note18212;RefertoPracticesG151forfullcautionaryguidanceregardinglaboratoryweatheringofnon-metallicmaterials.1.1Thistestmethoddescribeslaboratoryacceleratedweatheringproceduresusingeitherfluorescentultravioletorxenonarctestdevicesfordeterminingthecolorstabilityofbuildingconstructionsealants.1.2Colorstabilityrankingsprovidedbythesetwoproceduresmaynotagree.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Valuesgiveninparenthesesareforinformationonly.1.4ThereisnoequivalentISOstandardforthistestmethod.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_120_30
【页数】:5P.;A4
【正文语种】:英语