Designation:D4366−14StandardTestMethodsforHardnessofOrganicCoatingsbyPendulumDampingTests1ThisstandardisissuedunderthefixeddesignationD4366;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscovertheuseofpendulumdampingtestersinthedeterminationofhardnessoforganiccoatingsthathavebeenappliedtoacceptablyplanerigidsurfaces,suchasametalorglasspanel.1.2Twotestmethodsbasedondifferentpendulumtypesarecoveredasfollows:1.2.1TestMethodA—KönigPendulumHardnessTest.1.2.2TestMethodB—PersozPendulumHardnessTest.1.3Thisstandardissimilarincontent(butnottechnicallyequivalent)toISO1522.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D823PracticesforProducingFilmsofUniformThicknessofPaint,Varnish,andRelatedProductsonTestPanelsD1005TestMethodforMeasurementofDry-FilmThick-nessofOrganicCoatingsUsingMicrometersD1186TestMethodsforNondestructiveMeasurementofDryFilmThicknessofNonmagneticCoatingsAppliedtoaFerrousBase(Withdrawn2006)3D1400TestMethodforNondestructiveMeasurementofDryFilmThicknessofNonconductiveCoatingsAppliedtoaNonferrousMetalBase(Withdrawn2006)3D3891PracticeforPreparationofGlassPanelsforTestingPaint,Varnish,Lacquer,andRelatedProducts2.2OtherStandard:4ISO1522PaintsandVarnishesPendulumDampingTest3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1Könighardness,n—timeinsecondsfortheswingamplitudeoftheKönigpendulumtodecreasefrom6to3°.3.1.2Persozhardness,n—timeinsecondsfortheswingamplitudeofthePersozpendulum...
