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【英文标准名称】:StandardPracticeforPerformingOutdoorAcceleratedWeatheringTestsofPlasticsUsingConcentratedSunlight
【原文标准名称】:用集中自然光进行塑料的户外加速老化试验的标准实施规程
【标准号】:ASTMD4364-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D20.50
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:环境试验;塑料;工艺;阳光;风化
【英文主题词】:Fresnel-reflectorsystem;naturalweathering;plastic;pyrheliometer
【摘要】:1.1ThispracticecoverstheuseofFresnel-reflectingconcentratorsthatusethesunasasourceofultraviolet(UV)andlongerwavelengthradiation.Suchdevicesareusedintheoutdooracceleratedexposuretestingofplastics.1.2ThispracticeprovidesaprocedureforperformingoutdooracceleratedexposuretestingofplasticsusingaFresnel-reflectoroutdooracceleratedweatheringtestmachine.TheapparatusisdescribedhereinandinPracticeG90morecompletely.1.3Thispracticeisapplicabletoarangeofplasticmaterialsincluding,butnotlimitedto,plasticfilms,sheets,laminates,andextrudedandmoldedproductsinavarietyofshapesandsizes,asspecifiedin.1.4Thispracticedescribestestconditionsthatattempttosimulateplasticsexposuresindesertandsubtropicalclimates.Specimenpreparation,propertytestingprocedures,andtheevaluationofresultsarecoveredinexistingtestmethodsorspecificationsforspecificmaterials.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection.Note1ThisstandardandISO877.2-1991,MethodC,aretechnicallyequivalent.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:4P.;A4
【正文语种】: