【英文标准名称】:StandardPracticeforFieldIdentificationofCoatings
【原文标准名称】:涂层现场识别的标准实施规程
【标准号】:ASTMD5043-2004(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D01.46
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:coatingidentification;fieldidentification;fieldtesting;paintfieldanalysis;Coatings;Identification
【摘要】:Informationaboutthegenerictypeofcoatingonasurfaceisrequiredtoselectcompatiblecoatingsforrepaintingandcanbeusedwhenevaluatingtheperformanceofacoatinginanenvironmentindecisionsonupgradingorreplacingacoatingsystem.Thisguideprovidesasystematicprocedureforidentifyingthegenerictypeofacoating.Theprocedurecanbeperformedinthefieldbypersonnelwithlimitedlaboratoryexperience,andrequiresaminimumofequipmentandmaterials.1.1Thispracticedescribesproceduresandportableapparatusfordeterminingthegenerictypeofcoatingfilmsmostlikelytobeencounteredonstructures.Thecoatingcaneitherbeweatheredfromexposureorbefreshlyapplied.1.2MostcommonlyusedcoatingscanbedividedintothebroadcategoriesandsubgroupsshowninTable1onthebasisofthenonvolatilecomponent(generictypes)oftheirvehicle(filmformingresin,binder).Althoughthecuringofsomecoatingsinvolvesmorethanoneprocessandcoatingsmaycontainmorethanonetypeofresin,theycanusuallybeassignedtooneofthebasicclassesandgenerictypeslistedinTable1.1.3Forfieldexposedcoatings,itissuggestedthatthesetestmethodsbeusedaspartofacompleteevaluationofacoatedsurfaceasitisfrequentlyhelpfultoconsidertheenvironmentofexposureandhowthecoatinghasperformedintheenvironmentwhendrawingconclusionsfromthesetests.1.4Theseprocedureswillnotresultintheidentificationofcomponentsofacoatingbeyondgeneralclassificationofthecoatingbygenerictypeandarenotappropriateifmoredetailedanalysisisrequired,forexample,asapartoffailureanalysisortoidentifybetweendifferentmanufacturersofthesametypeofcoating.Theyalsomaynotbedefinitiveenoughtoidentifycomplexsystemsthatincludemultiplelayersofdifferentgenerictypesofcoatings.1.5Theevaluationofresultsisquitesubjective.Practiceandexperiencearerequiredtominimizemisinterpretation.Repeattestsmayberequired.1.6Noneofthetestistobetakenaloneasgroundsforidentifyingthegenerictype.Onlythecombinationofresultsfromseveralorallofthetestsistobeusedinconclusionsregardinggenerictypes.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatementssee5.3.4,6.3.1,6.3.3,7.4,and8.4.
【中国标准分类号】:A29
【国际标准分类号】:25_220_20
【页数】:6P.;A4
【正文语种】:英语