BS EN ISO 4628-6-2007 涂料和清漆.涂层降解的评定.缺陷数量和大小及外表均衡变化强度的标识.用粘胶带法评估粉化等级

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【英文标准名称】:Paintsandvarnishes-Evaluationofdegradationofcoatings-Designationofquantityandsizeofdefects,andofintensityofuniformchangesinappearance-Assessmentofdegreeofchalkingbytapemethod
【原文标准名称】:涂料和清漆.涂层降解的评定.缺陷数量和大小及外表均衡变化强度的标识.用粘胶带法评估粉化等级
【标准号】:BSENISO4628-6-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:胶粘带法;缺陷评估;粉化;粉化等级;覆层材料;覆层;比较;比对试样;损伤;缺陷;定义;测定;误差检测;评定;测量;涂料;粘接带;表面缺陷;测试;试验;清漆
【英文主题词】:Adhesivetapemethod;Assessmentofdefects;Chalking;Chalkinggrade;Coatingmaterials;Coatings;Comparison;Comparisonspecimen;Damage;Defects;Definitions;Determination;Errordetection;Evaluations;Measurement;Paints;Splicingtapes;Surfacedefects;Testing;Varnishes
【摘要】:ThispartofISO4628providespictorialreferencestandardsfordesignatingthedegreeofchalkingofpaintcoatings.Italsodescribesamethodbywhichthedegreeofchalkingisrated.Inusingthismethod,itisessentialthatcarebetakentodistinguishbetweentruedegradationproductsandadheringdirt,particularlywhenchalkingisslight.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:16P;A4
【正文语种】:英语


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【英文标准名称】:RulesforConstructionofNuclearFacilityComponents
【原文标准名称】:核设施元件的建设规则
【标准号】:ANSI/ASMEBPVCSection3-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Approval;Certification;Codes;Components;Design;Materials;Materialsspecification;Mechanicalsafety;Nuclearpowerplants;Nuclearreactors;Overpressureprotection;Pipelines;Pipingsystem;Pressureoverload;Pressurevessels;Pumps;Reactorcontainments;Reactorprotection;Reactorsafety;Reactorvessels(nuclear);Safetyengineering;Specification(approval);Storage;Storages;Stress;Surveillance(approval);Testing;Thermalstress;Valves;Vessels
【摘要】:
【中国标准分类号】:F69
【国际标准分类号】:27_120_10
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforAcceleratedTestingforColorStabilityofPlasticsExposedtoIndoorOfficeEnvironments
【原文标准名称】:暴露在室内荧光灯和透窗入室日光下的塑料颜色稳定性加速试验的标准试验方法
【标准号】:ASTMD4674-2002a
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:塑料;快速试验;荧光灯;自然采光;彩色稳定性
【英文主题词】:colorchange;color;plastics;officeenvironment;fluorescentlight
【摘要】:Testsconductedinaccordancewiththispracticeareintendedtoinducepropertychangesassociatedwithuseexposuretolightandheatintypicalofficeenvironments.Theseexposuresarenotintendedtosimulatethedeteriorationcausedbylocalizedphenomenasuchashandling,dirtcontamination,etc.Note58212;Caution:Caution:RefertopracticeG151forfullcautionaryguidanceapplicabletoalllaboratoryweatheringdevices.AdditionalinformationonsourcesofvariabilityandonstrategiesforaddressingvariabilitybydesignanddataanalysisoflaboratoryacceleratedexposuretestsisfoundinGuideG141.Variationinresultsmaybeexpectedarepossiblebetweenthedifferentmethodsdescribedinthispractice.Forexample,differencesinspectraldistributionofthelampsusedandvariationsintheirradianceforasingletypeoflampcancausesignificantdifferencesintestresults.Therefore,anynoreferencetotheuseofthispracticeshouldbemadeunlessaccompaniedbyareportpreparedinaccordancewithSection12thatdescribesneedstoincludeareferencetothemethodused.Reproducibilityoftestresultsbetweenlaboratorieshasbeenshowntobegoodwhenthestabilityofmaterialsisevaluatedintermsofperformancerankingcomparedtoothermaterialsortoacontrol.Therefore,exposureofasimilarmaterialofknownperformance(acontrol)atthesametimeasthetestmaterialsisstronglyrecommended.Itisrecommendedthatatleastthreereplicatesofeachmaterialbeexposedtoallowforstatisticalevaluationofresults.1.1Thispracticecoversthebasicprinciplesandoperatingproceduresforusingfluorescentlighttodeterminecolorstabilityofplasticswhenmaterialsareexposedintypicalofficeenvironmentswherefluorescentoverheadlightingandwindow-filtereddaylightareusedforilluminationandwheretemperatureandhumidityconditionsareinaccordancewithAmericanSocietyofHeating,Refrigerating,andAir-conditioningEngineers(ASHRAE)recommendationsforworkers''comfort.Note18212;ThereisnoequivalentISOstandard.1.2Thispracticedescribesfourmethodswherespecimensareexposedtofluorescentlightundercontrolledenvironmentalconditions.TwoofthemethodsuseanexposuredevicethatprovidesformixingoffluorescentlampsandtwoofthemethodsusedevicesthatcomplywithPracticeG154.Note2MethodIusescoolwhitefluorescentlampsandwindowglassfilteredfluorescentUVBlampsandisthesamemethoddescribedinpreviousversionsofthisstandard.1.3SpecimenpreparationandevaluationoftheresultsarecoveredinASTMmethodsorspecificationsforspecificmaterials.GeneralguidanceisgiveninPracticeG151.MorespecificinformationaboutmethodsfordeterminingthechangeinpropertiesafterexposureandreportingtheseresultsisdescribedinPracticeD5870.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Unlessotherwisespecified,alldimensionsarenominal.1.6Thispracticemayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,isany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection7.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:8P.;A4
【正文语种】: