BS EN ISO 12205-1996 石油及其产品试验方法.石油产品.中间馏分燃料氧化稳定性的测定

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【英文标准名称】:StandardPracticeforXenon-ArcExposuresofPaintandRelatedCoatings
【原文标准名称】:清漆和相关涂覆料的氙弧暴露标准实施规程
【标准号】:ASTMD6695-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:degradation;exposure;lightexposure;ultraviolet;weathering;xenon-arc;Painttesting;Xenon-arclightexposure
【摘要】:Theabilityofapaintorcoatingtoresistdeteriorationofitsphysicalandopticalpropertiescausedbyexposuretolight,heat,andwatercanbeverysignificantformanyapplications.Thispracticeisintendedtoinducepropertychangesassociatedwithenduseconditions,includingtheeffectsofsunlight,moisture,andheat.Theexposureusedinthispracticeisnotintendedtosimulatethedeteriorationcausedbylocalizedweatherphenomenasuchasatmosphericpollution,biologicalattack,andsaltwaterexposure.Cautionx2014;Variationinresultsmaybeexpectedwhendifferentoperatingconditionsareused.Therefore,noreferencetotheuseofthispracticeshallbemadeunlessaccompaniedbyareportpreparedaccordingtoSection10thatdescribesthespecificoperatingconditionsused.RefertoPracticeG151fordetailedinformationonthecaveatsapplicabletouseofresultsobtainedaccordingtothispractice.Note28212;Additionalinformationonsourcesofvariabilityandonstrategiesforaddressingvariabilityinthedesign,executionanddataanalysisoflaboratoryacceleratedexposuretestsisfoundinGuideG141.Thespectralpowerdistributionoflightfromaxenon-arcissignificantlydifferentfromthatproducedinlightandwaterexposuredevicesusingcarbon-arcorotherlightsources.Thetypeandrateofdegradationandtheperformancerankingsproducedbyexposurestoxenon-arcscanbemuchdifferentfromthoseproducedbyexposurestoothertypesoflaboratorylightsources.Interlaboratorycomparisonsarevalidonlywhenalllaboratoriesusethesamelightsource,filtertype,andexposureconditions.Reproducibilityoftestresultsbetweenlaboratorieshasbeenshowntobegoodwhenthestabilityofmaterialsisevaluatedintermsofperformancerankingcomparedtoothermaterialsortoacontrol.,Therefore,exposureofasimilarmaterialofknownperformance(acontrol)atthesametimeasthetestmaterialsisstronglyrecommended.Itisrecommendedthatatleastthreereplicatesofeachmaterialbeexposedtoallowforstatisticalevaluationofresults.TestresultswilldependuponthecarethatistakentooperatetheequipmentaccordingtoPracticeG155.Significantfactorsincluderegulationoflinevoltage,freedomfromsaltsorotherdepositsfromwater,temperatureandhumiditycontrol,andconditionandageoftheburnerandfilters.Allreferencestoexposuresinaccordancewiththispracticemustincludeacompletedescriptionofthetestcycleused.1.1ThispracticecoverstheselectionoftestconditionsforacceleratedexposuretestingofcoatingsandrelatedproductsinxenonarcdevicesconductedaccordingtoPracticesG151andG155.Thispracticealsocoversthepreparationoftestspecimens,thetestconditionssuitedforcoatings,andtheevaluationoftestresults.Table1describescommonlyusedtestconditions.Note18212;ISO11341alsodescribesxenon-arcexposuresofpaintsandcoatings.However,theexposureconditionsdescribedinISO11341aredifferentthanthoselistedinTable1.1.2ThevaluesSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associated......
【中国标准分类号】:G51
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Methodfordeterminationofpolishedpavervalueofpavers
【原文标准名称】:铺路机磨光铺料量的测定方法
【标准号】:DD155-1986
【标准状态】:作废
【国别】:英国
【发布日期】:1986-11-28
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:柔性路面;试验条件;路面(道路);摩擦;试验设备;道路;铺筑材料;尺寸;试样;校准;摩擦试验;铺砌区;硅酸盐;块材;钙无机化合物;抛光;粘土;人行道;块料地面板
【英文主题词】:
【摘要】:
【中国标准分类号】:P97
【国际标准分类号】:79_020
【页数】:8P;A4
【正文语种】:英语