Designation:E1209−10StandardPracticeforFluorescentLiquidPenetrantTestingUsingtheWater-WashableProcess1ThisstandardisissuedunderthefixeddesignationE1209;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispractice2coversproceduresforwater-washablefluorescentpenetrantexaminationofmaterials.Itisanonde-structivetestingmethodfordetectingdiscontinuitiesthatareopentothesurfacesuchascracks,seams,laps,coldshuts,laminations,isolatedporosity,throughleaks,orlackofporos-ityandisapplicabletoin-process,final,andmaintenanceexamination.Itcanbeeffectivelyusedintheexaminationofnonporous,metallicmaterials,bothferrousandnonferrous,andofnonmetallicmaterialssuchasglazedorfullydensifiedceramicsandcertainnonporousplasticsandglass.1.2Thispracticealsoprovidesareference:1.2.1Bywhichafluorescentpenetrantexaminationmethodusingthewater-washableprocessrecommendedorrequiredbyindividualorganizationscanbereviewedtoascertainitsapplicabilityandcompleteness.1.2.2Foruseinthepreparationofprocessspecificationsdealingwiththewater-washablefluorescentpenetrantexami-nationofmaterialsandparts.Agreementbythepurchaserandthemanufacturerregardingspecifictechniquesisstronglyrecommended.1.2.3Foruseintheorganizationofthefacilitiesandpersonnelconcernedwiththeliquidpenetrantexamination.1.3Thispracticedoesnotindicateorsuggeststandardsforevaluationoftheindicationsobtained.Itshouldbepointedout,however,thatindicationsmustbeinterpretedorclassifiedandthenevaluated.Forthispurposetheremustbeaseparatecodeorspecificationoraspecificagreementtodefinethetype,size,location,anddirectionofindicationsconsideredacceptable,andthoseconsideredunacceptable.1.4Thevaluesstatedininch-poundunitsareregardedasstandard.SIunitsgiveninparenthesesareforinformationonly.1.5Allareasofthisdocumentmaybeopentoagreementbetweenthecognizante...