FLTM bi106-01(油漆附着力)

FORDLABORATORYTESTMETHODBI106-01DateActionRevisions20020715RevisedRevAdhesionTapeparaL.Graham20010314RevisedEditorial–notechnicalchangeA.Cockman19920128PrintedcopiesareuncontrolledPage1of7Copyright©2002,FordGlobalTechnologies,Inc.PAINTADHESIONTESTApplicationThismethodisusedtomeasuretherelativeadhesionofpainttosteel,aluminum,galvanizedsteel,plastic,orothersubstrates.ApparatusRequiredKnifeApocketknifeofgoodqualityisrequiredforMethodAandCofthisprocedureasoutlinedforscratchtest.Itmusthavea65-75mmlongbladeandbe10mmwide.ScriberAcarbide-tippedscribermustbeusedinMethodBandDofthisprocedureforthescribertest.Source:AircraftSpecialties,Inc.(#90C)G.T.S.Co.(GeneralScriber#CM88)P.O.Box9812015TelegraphRd.Lapeer,MI48446U.S.A.Redford,MI48239U.S.A.[phone](313)531-7666JamesNeillTools(EclipseModel225)JamesNeillSheffieldLtd.SheffieldS118HBU.K.MaterialsRequiredPanelsSeeFLTMBI103-02forpanelpreparation.AdhesionTapeNo.898(Minnesota,MiningandManufacturingCo.-3M)25mmwide.UseonlyNo.898tapethatismadeintheNorthAmerica.OtherNo.898tapeshavedifferentadhesioncharacteristics.Storeintheoriginalpackageinadry,darklocation.FORDLABORATORYTESTMETHODBI106-01Page2of7Copyright©2002,FordGlobalTechnologies,Inc.ConditioningandTestConditionsAlltestvaluesindicatedhereinarebasedonmaterialconditionedinacontrolledatmosphereof23+/-2°Cand50+/-5%relativehumidityfornotlessthan24hpriortotestingandtestedunderthesameconditionsunlessotherwisespecified.Procedure1.Whenthepaintadhesiontestisrequiredafteranothertestprocedure,theadhesiontestmustbeperformedwithin30minutesoftheprevioustestorasotherwisespecifiedbytheapplicableEngineeringMaterialSpecification.2.Measureandrecordfilmthickness,priortoadhesiontestinaccordancewithFLTMBI117-01.3.Removeallloosedebris(brushoff)fromthescribelinepriortotapetest.MethodA-ScratchTest1.Onanunmarkedsectionofthetestpanel,drawtheknifebladeacrossthepanelforadistanceof50mmwithsufficientpressuretoremoveanarrowribbonofpaintdowntothebasemetal.Theflatpartofthebladeshouldbeinclinedawayfromtheoperatoratanangleofapproximately30°tothepanelanddrawntowardshim/hertoremovetheribbonofpaint.2.Examineandreportanyflakingorchippingorpaintawayfromthescratchmarks.MethodB-ScribeTest1.Scribelinesthroughthepainttothebasematerialasshown:Thescribedlinesshallbe3mmapart,atrightanglesanddiagonallyinonedirection.FORDLABORATORYTESTMETHODBI106-01Page3of7Copyright©2002,FordGlobalTechnologies,Inc.2.3MNo.898tapeshallbeappliedbypressingfirmlyandremovingwithin90+/-30sofapplicationbypullingitoffrapidly(notjerked)backuponitselfatasclosetoanangleof180°tothepanelaspossible.3.Observeandreportoccurrenceofchipping,flakingorgeneralpooradhesionasnotedafterremovaloftape.(RefertoFigures1,2and3forclassificationsystem).MethodC-ParallelScratchTest1.Drawtheknifebladeacrossthetestpanelatanangleof90°tothespecimenforalengthof50mmoraslongaspossiblewithsufficientpressuretocutthroughthepaintdowntothebasematerial.Theknifebladeshouldbedrawntowardstheoperator.Drawasecondparallellineinthesameway2mmapartfromthefirst.2.Applytapeoverthedrawnlinesinaparalleldirectionusingfirmfingerpressuretoensurecontactwiththepanelsurface(i.e.,drawnlinestobevisible).3.Removethetapewithin90+/-30sofapplicationbypullingbackrapidly(notjerked)backuponitselfatasclosetoanangleof180°tothepanelaspossible.4.Reportoccurrenceofchipping,flaking,orgeneralpooradhesionasnotedafterremovaloftape.Plasticandglass-fibersubstratesmayalsofracture.Intheabsenceoflossofpaintadhesionsuchchippingshallbeignored.MethodD-ScribeTestforTwo-ComponentUrethaneCoatingsNote:Thismethodwillpreventthebridgingofthetapebetweenthescribelinesthatoccurwhenthesmallgridusused.1.Scribethepaintfilmtobetestedasillustratedbelow.Thegridshouldbeapproximately25mmwide.2.Placethetapeoverthegridparallelwiththelongpointsofthediamondsasindicatedbythearrow.3.ConductthetestasinSteps2and3ofMethodB.FORDLABORATORYTESTMETHODBI106-01Page4of7Copyright©2002,FordGlobalTechnologies,Inc.4.Ifthetestremovesonediamond,thatisapass.Twoormoreremovedisafailure.ThisindicatesaGrade1orbetterclassification.Chemicals,materials,parts,andequipmentreferencedinthisdocumentmustbeusedandhandledproperly.Eachpartyisresponsiblefordeterminingproperuseandhandlinginitsfacilities.FORDLABORATORYTESTMETHODBI106-01Page5of7Copyright©2002,FordGlobalTechnologies,Inc.PAINTADHESIONTESTClassificationofScribeAdhesionTestsFORDLABORATORYTESTMETHODBI106-01Page6of7Copyright©2002,FordGlobalTechnologies,Inc.PAINTADHESIONTESTClassificationofScribeAdhesionTests(cont.)FORDLABORATORYTESTMETHODBI106-01Page7of7Copyright©2002,FordGlobalTechnologies,Inc.PAINTADHESIONTESTClassificationofScribeAdhesionTests(cont.)