【英文标准名称】:StandardPracticeforEnclosedCarbon-ArcExposureTestsofPaintandRelatedCoatings
【原文标准名称】:使用封闭碳弧光灯曝露仪对涂料及有关涂层进行试验的标准实施规程
【标准号】:ASTMD5031-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D01.27
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;覆层;涂料;环境试验
【英文主题词】:carbonarc;degradation;exposure;lightexposure;ultraviolet;weathering
【摘要】:1.1ThispracticecoverstheselectionoftestconditionsforacceleratedexposuretestingofcoatingsandrelatedproductsinenclosedcarbonarcdevicesoperatedaccordingtoPracticesG151andG153.Thispracticealsocoversthepreparationoftestspecimens,thetestconditionssuitedforcoatings,andtheevaluationoftestresults.describescommonlyusedtestconditions.Note1PreviousversionsofthispracticereferencedcarbonarcdevicesdescribedbyPracticeG23,whichdescribedveryspecificequipmentdesigns.PracticeG23hasbeenwithdrawnandreplacedbyPracticeG151,whichdescribesperformancecriteriaforallexposuredevicesthatuselaboratorylightsources,andbyPracticeG153,whichgivesrequirementsforexposingnonmetallicmaterialsinenclosedcarbon-arcdevices.1.2Thispracticedoesnotcoverfilteredopen-flamecarbon-arcexposuresofpaintsandrelatedcoatings,whichisdescribedinPracticeD822.AnotherprocedureforexposingtheseproductsiscoveredbyPracticeD3361,inwhichthespecimensaresubjectedtoradiationfromanunfilteredopen-flamecarbonarcthatproducesshorterwavelengthsandhigherlevelsofshortwavelengthradiationthanfilteredopenflameorenclosedcarbonarcs.Note2PracticeD3361requiresuseofopen-flamecarbon-arcapparatuswithautomatichumiditycontrol.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:6P.;A4
【正文语种】: