Designation:D6279−03(Reapproved2013)StandardTestMethodforRubAbrasionMarResistanceofHighGlossCoatings1ThisstandardisissuedunderthefixeddesignationD6279;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversproceduresforevaluatingtherelativemarresistanceofaseriesofhighglosscoatingsappliedtoaflat,rigidsurface.Wetrubanddryrubabrasiontestsaredescribed.Tofullycharacterizeacoating’smarresistance,bothtestsshouldberun.NOTE1—DryabrasionmarresistancecanalsobeevaluatedbyusingTestMethodsD6037.Ifaseriesofveryhighlymarresistantcoatingsisbeingevaluated,TestMethodsD6037willgenerallyprovidethebetterperformancediscriminationthanthedryrubtestdescribedhere.However,iftheequipmentdescribedinTestMethodsD6037isnotavailable,thedryrubtestdescribedinthistestmethodaffordsareasonablealternative.Thedryrubtestisalsousefulforevaluatingcoatingsthatarenothighlymarresistant.1.2Marresistanceisassessedbymeasuringtheglossoftheabradedandunabradedareas.Marresistanceisdirectlyrelatedtothecoating’sabilitytoretainglossinabradedareas.NOTE2—Themarresistancevaluesobtainedbythistestmethodhavenoabsolutesignificance.Theyshouldonlybeusedtoderiverelativeperformancerankingsfortestpanelsthathavebeenpreparedfromtheseriesofcoatingsthatarecurrentlybeingevaluated.Ifmarresistancevaluesarequotedbetweenlaboratories,itisessentialthatacommonstandardbemeasuredandthatthevaluesbecomparedtothatstandard.Eventhen,thevaluesshouldbeusedwithcaution.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments...
