Designation:D5402−15StandardPracticeforAssessingtheSolventResistanceofOrganicCoatingsUsingSolventRubs1ThisstandardisissuedunderthefixeddesignationD5402;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesasolventrubtechniqueforassessingthesolventresistanceofanorganiccoatingthatchemicallychangesduringthecuringprocess.Thistechniquecanbeusedinthelaboratory,inthefield,orinthefabricatingshop.TestMethodD4752isthepreferredmethodforethylsilicatezinc-richprimers.1.2Thispracticedoesnotspecifythesolvent,numberofdoublerubs,orexpectedtestresults.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Consultthesupplier’sSafetyDataSheetforspecifichazardinformationrelatingtothesolventused.2.ReferencedDocuments2.1ASTMStandards:2D235SpecificationforMineralSpirits(PetroleumSpirits)(HydrocarbonDryCleaningSolvent)D523TestMethodforSpecularGlossD740SpecificationforMethylEthylKetoneD843SpecificationforNitrationGradeXyleneD3363TestMethodforFilmHardnessbyPencilTestD4138PracticesforMeasurementofDryFilmThicknessofProtectiveCoatingSystemsbyDestructive,Cross-SectioningMeansD4752PracticeforMeasuringMEKResistanceofEthylSilicate(Inorganic)Zinc-RichPrimersbySolventRubD7091PracticeforNondestructiveMeasurementofDryFilmThicknessofNonmagneticCoatingsAppliedtoFerrousMetalsandNonmagnetic,NonconductiveCoat-ingsAppliedtoNon-FerrousMetals3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1doublerub,n—theactofrubbingaclothinonecompleteforwardandbackmotionoveracoatedsurface.4....
