Designation:C1027−19StandardTestMethodforDeterminingVisibleAbrasionResistanceofGlazedCeramicTile1ThisstandardisissuedunderthefixeddesignationC1027;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisdesignedtomeasuretheresistanceoftilesurfacestovisiblesurfaceabrasion.1.2Thisproceduremaybeusedtocomparetilesoflikecolorandfinish.Noprovisionsaremadeforcomparingtilesofdissimilarcolorsand/orfinishes.1.3Certainirregularsurfacesmaynotbeevaluatedproperlybythistestmethodbecauseofwearpatterns.1.4Thisproceduredoesnotoptimallyevaluatelossofglosswithabrasion.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ISOStandard:ISO10545–1423.SignificanceandUse3.1Theabrasionresistanceoftilesurfacesisdeterminedbyrotationofanabrasiveloadonthesurfaceandtheassessmentoftheresultantwearbymeansofvisualcomparisonoftheabradedtestspecimensandnonabradedtiles.Astainingagentinlightoilmaybeusedtohelpdeterminewhetherabrasionsurfaceislikelytoresultinmechanicalentrapmentofdirtparticles.4.AbrasiveLoad4.1Thetotalloadoneachtestspecimenconsistsofthefollowing:4.1.1Grade25chromesteelballsofvariousdiameters:4.1.1.170.0gof5-mmdiametersteelballs.4.1.1.252.5gof3-mmdiameterstee...
