Designation:D1005−95(Reapproved2013)StandardTestMethodforMeasurementofDry-FilmThicknessofOrganicCoatingsUsingMicrometers1ThisstandardisissuedunderthefixeddesignationD1005;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thistestmethodcoversthemeasurementoffilmthick-nessofdriedfilmsofpaint,varnish,lacquer,andrelatedproductsusingmicrometers.ProceduresAandButilizesta-tionarymicrometersandProceduresCandD,hand-heldmicrometers.ProceduresAandCarenotrecommendedforfilmslessthan12.5µm(0.5mils)inthickness.TheminimumthicknessrequiredforProceduresBandDisafunctionofthatrequiredtoenableremovalofthesampleasafreefilm.1.2Theproceduresappearasfollows:1.2.1ProcedureA—Stationarymicrometerformeasuringcoatingsappliedtoplanerigidsurfaces.1.2.2ProcedureB—Stationarymicrometerformeasuringfreefilms.1.2.3ProcedureC—Hand-heldmicrometerformeasuringcoatingsappliedtoplanerigidsurfaces.1.2.4ProcedureD—Hand-heldmicrometerformeasuringfreefilms.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D823PracticesforProducingFilmsofUniformThicknessofPaint,Varnish,andRelatedProductsonTestPanelsD2370TestMethodforTensilePropertiesofOrganicCoat-ings3.SignificanceandUse3.1Thistestmethodisparticularlyapplicabletothemea-surementoffreefilmsandisalsosatisfactoryforthemeasure-mentoffilmsonlaboratorytestpanels.3.2Theaccuracyandprecisionofthethicknessmeasure-mentsmaybeinfluencedbythedeformabilityofthecoating....
