Designation:E1208−10StandardPracticeforFluorescentLiquidPenetrantTestingUsingtheLipophilicPost-EmulsificationProcess1ThisstandardisissuedunderthefixeddesignationE1208;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversproceduresforfluorescentliquidpenetrantexaminationutilizingthelipophilicpost-emulsificationprocess.Itisanondestructivetestingmethodfordetectingdiscontinuitiesthatareopentothesurfacesuchascracks,seams,laps,coldshuts,laminations,throughleaks,orlackoffusionandisapplicabletoin-process,final,andmaintenanceexamination.Itcanbeeffectivelyusedintheexaminationofnonporous,metallicmaterials,bothferrousandofnonmetallicmaterialssuchasglazedorfullydensifiedceramicsandcertainnonporousplasticsandglass.1.2Thispracticealsoprovidesareference:1.2.1Bywhichafluorescentliquidpenetrantexamination,lipophilicpost-emulsificationprocessrecommendedorre-quiredbyindividualorganizationscanbereviewedtoascertainitsapplicabilityandcompleteness.1.2.2Foruseinthepreparationofprocessspecificationsdealingwiththefluorescentpenetrantexaminationofmaterialsandpartsusingthelipophilicpost-emulsificationprocess.Agreementbythepurchaserandthemanufacturerregardingspecifictechniquesisstronglyrecommended.1.2.3Foruseintheorganizationofthefacilitiesandpersonnelconcernedwiththeliquidpenetrantexamination.1.3Thispracticedoesnotindicateorsuggeststandardsforevaluationoftheindicationsobtained.Itshouldbepointedout,however,thatindicationsmustbeinterpretedorclassifiedandthenevaluated.Forthispurposetheremustbeaseparatecodeorspecificationoraspecificagreementtodefinethetype,size,location,anddirectionofindicationsconsideredacceptable,andthoseconsideredunacceptable.1.4Thevaluesstatedininch-poundunitsareregardedasstandard.SIunitsgiveninparenthesesareforinformationonly.1.5Allareasofthisdo...