ISO 8502-3-1993-05 表面粗糙度标准

INTERNATIONALSTANDARDISO8502-3Firstedition1992-10-01Correctedandreprinted1993-05-15PreparationofsteelsubstratesbeforeapplicationofpaintandrelatedproductsTestsfortheassessmentofsurfacecleanlinessPart3:Assessmentofdustonsteelsurfacespreparedforpainting(pressure-sensitivetapemethod)Preparationdessubjectilesd'acieravantapplicationdepeinturesetdeproduitsassimiles-EssaispourapprecierIapropreted'unesurface-Partie3:EvaluationdeIapoussieresurlessurfacesd'acierprepareespourIamiseenpeinture(methodedurubanadllesifsensibleaIapression)ReferencenumberISO8502-3:1992(E)IS08502-3:1992(E)ForewordIS0(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(IS0memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughIS0technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.Internationalorganizations,govern-mentalandnon-governmental,inliaisonwithISO,alsotakepartinthework.IS0collaboratescloselywiththeInternationalElectrotechnicalCommission(IEC)onallmattersofelectrotechnicalstandardization.DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.PublicationasanInter-nationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote.InternationalStandardIS08502-3waspreparedbyTechnicalCommitteeISO/TC35,Paintsandvarnishes,Sub-CommitteeSC12,Preparationofsteelsubstratesbeforeapplicationofpaintsandrelatedproducts.IS08502consistsofthefollowingparts,underthegeneraltitlePrep-arationofsteelsubstratesbeforeapplicationofpaintandrelatedprod-ucts-Testsfortheassessmentofsurfacecleanliness:-PartI:Fieldtestforsolubleironcorrosionproducts[TechnicalReport]-Part2:Laboratorydeterminationofchlorideoncleanedsurfaces-Part3:Assessmentofdustonsteelsurfacespreparedforpainting(pressure-sensitivetapemethod)-Part4:Guidanceontheestimationoftheprobabilityofcondensationpriortopaintapplication-Part5:Measurementofchlorideonsteelsurfacespreparedforpainting-Iondetectortubemethod-Part6:Samplingofsolubleimpuritiesonsurfacestobepainted-Breslemethod-Part7:Analysisofsolubleimpuritiesonsurfacestobepainted-Analysismethodsforfielduseforoilandgrease0IS01992Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromthepublisher.InternationalOrganizationforStandardizationCasePostale56lCH-1211Gendve20lSwitzerlandPrintedinSwitzerlandiiCopyrightInternationalOrganizationforStandardizationProvidedbyIHSunderlicensewithISOLicensee=UniversityofAlberta/5966844001,User=sharabiani,shahramfsNotforResale,01/17/201400:13:36MSTNoreproductionornetworkingpermittedwithoutlicensefromIHSIS08502-3:1992(E)-Part8:Analysisofsolubleimpuritiesonsurfacestobepainted-AnalysismethodsforfielduseformoistureUsersshouldnotethatthetitlestofutureparts5to8areworkingtitlesonlyandthat,whileitisatpresentplannedtopublishallthepartslistedabove,oneormoremayneverthelessbedeletedfromtheworkpro-grammebeforepublication,whichmay,inturn,leadtorenumberingoftheremainingparts.AnnexAofthispartofIS08502isforinformationonly....IIICopyrightInternationalOrganizationforStandardizationProvidedbyIHSunderlicensewithISOLicensee=UniversityofAlberta/5966844001,User=sharabiani,shahramfsNotforResale,01/17/201400:13:36MSTNoreproductionornetworkingpermittedwithoutlicensefromIHSIS08502-3:1992(E)IntroductionTheperformanceofprotectivecoatingsofpaintandrelatedproductsappliedtosteelissignificantlyaffectedbythestateofthesteelsurfaceimmediatelypriortopainting.Theprincipalfactorsthatareknowntoinfluencethisperformanceare:a)thepresenceofrustandmillscale;b)thepresenceofsurfacecontaminants,includingsalts,dust,oilsandgreases;c)thesurfaceprofile.InternationalStandardsIS08501,IS08502andIS08503havebeenpreparedtoprovidemethodsofassessingthesefactors,whileIS08504providesguidanceonthepreparationmethodsthatareavailableforcleaningsteelsubstrates,indicatingthecapabilitiesofeachinattainingspecifiedlevelsofcleanliness.TheseInternationalStandardsdonotcontainrecommendationsfortheprotectivecoatingsystemstobeappliedtothesteelsurface.Neitherdotheycontainrecommendationsforthesurfacequalityrequirementsforspecificsituationseventhoughsurfacequalitycanhaveadirectinflu-enceonthechoiceofprotectivecoatingtobeappliedandonitsper-formance.Suchrecommendationsarefoundinotherdocumentssuchasnationalstandardsandcodesofpractice.ItwillbenecessaryfortheusersoftheseInternationalStandardstoensurethatthequalitiesspecifiedare:-compatibleandappropriatebothfortheenvironmentalconditionstowhichthesteelwillbeexposedandfortheprotectivecoatingsystemtobeused:-withinthecapabilityofthecleaningprocedurespecified.ThefourInternationalStandardsreferredtoabovedealwiththefollow-ingaspectsofpreparationofsteelsubstrates:IS08501-Visualassessmentofsurfacecleanliness;IS08502-Testsfortheassessmentofsurfacecleanliness;IS08503-Surfaceroughnesscharacteristicsofblast-cleanedsteelsubstrates;IS08504-Surfacepreparatio