Designation:B905−00(Reapproved2016)StandardTestMethodsforAssessingtheAdhesionofMetallicandInorganicCoatingsbytheMechanizedTapeTest1ThisstandardisissuedunderthefixeddesignationB905;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodsdescribeproceduresforassessingtheadhesionofmetallicandinorganiccoatingsandotherthinfilmstometallicandnonmetallicsubstrates.Assessmentismadebyapplyingpressure-sensitivetapetoacoatedsurfaceandthenutilizingamechanicaldevicetoremovethetapeataregulated,uniformrateandconstantanglewhilesimultane-ouslyrecordingtheremovalforce.1.2Fourmethodsaredescribed.MethodsA1andA2areintendedprimarilyforuseonparts.MethodsB1andB2areintendedprimarilyforuseinlaboratoryevaluations.MethodsB1andB2arenotrecommendedfortestingcoatingsandfilmsonpolymersubstrates.1.3Thesetestmethodsmaybeusedtoestablishwhethertheadhesionofacoatingtoasubstrateiswithinarequiredrange(betweenaquantifiedlowandaquantifiedhighlevel).Deter-minationofactualadhesiveforcesrequiresmoresophisticatedmethodsofmeasurement.Inmultilayersystemsadhesionfailuremayoccurbetweenintermediatecoatinglayerssothattheadhesionofthetotalcoatingsystemtothesubstratemaynotnecessarilybedetermined.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B183PracticeforPreparationofLow-CarbonSteelforElectroplatingB242GuideforPreparationofHigh-CarbonSteelforElec-troplatingB252GuideforPreparationofZincAlloyDieCastingsforElectroplatingandConversionCoatingsB253GuideforPreparatio...