Designation:D7835/D7835M−13StandardTestMethodforDeterminingtheSolventResistanceofanOrganicCoatingusingaMechanicalRubbingMachine1ThisstandardisissuedunderthefixeddesignationD7835/D7835M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversamechanicalrubmethodforassessingthesolventresistanceofanorganiccoatingthatchemicallyand/orphysicallychangesduringthecuringpro-cess.Thistechniquecanbeusedinthelaboratory,inthefield,orinthefabricatingshop.1.2Thistestmethoddoesnotspecifythesolvent,numberofdoublerubs,orexpectedtestresults.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D740SpecificationforMethylEthylKetoneD4138PracticesforMeasurementofDryFilmThicknessofProtectiveCoatingSystemsbyDestructive,Cross-SectioningMeansD5402PracticeforAssessingtheSolventResistanceofOrganicCoatingsUsingSolventRubsD5796TestMethodforMeasurementofDryFilmThicknessofThin-FilmCoil-CoatedSystemsbyDestructiveMeansUsingaBoringDeviceD6132TestMethodforNondestructiveMeasurementofDryFilmThicknessofAppliedOrganicCoatingsUsinganUltrasonicCoatingThicknessGageD7091PracticeforNondestructiveMeasurementofDryFilmThicknessofNonmagneticCoatingsAppliedtoFerrousMetalsandNonmagnetic,NonconductiveCoat-ingsAppliedtoNon-FerrousMetals3.Terminology3.1Definitions:3.1.1doublerub,n—onecompleteforwardandba...
