Designation:C1243−93(Reapproved2015)´1StandardTestMethodforRelativeResistancetoDeepAbrasiveWearofUnglazedCeramicTilebyRotatingDisc1ThisstandardisissuedunderthefixeddesignationC1243;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—CorrectedEq1editoriallyinFeb.2017.1.Scope1.1Thistestmethodcoversthedeepabrasivewearbymeasuringthelossofvolumeresultingfromabrasionofunglazedceramictileundergivenconditionsbymeansofarotatingdiscandtheuseofabrasivematerial.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C242TerminologyofCeramicWhitewaresandRelatedProductsC448TestMethodsforAbrasionResistanceofPorcelainEnamelsC501TestMethodforRelativeResistancetoWearofUnglazedCeramicTilebytheTaberAbraserC1027TestMethodforDeterminingVisibleAbrasionRe-sistanceofGlazedCeramicTile3.Terminology3.1Definitions:3.1.1Fordefinitionsoftermsusedinthistestmethod,seeTerminologyC242.4.SignificanceandUse4.1Thistestmethodprovidesthemeanstomeasurethepotentialresistancetowearofunglazedceramictileintendedforfloorcoverings.Thistestmethoddoesnotconsiderphysicalappearancebutisintendedtomeasuredurability.SeeTestMethodC1027forthedeterminationofvisibleabrasionresistanceofglazedceramictile.4.1.1SeeTestMethodC501foranalternativemethodtodeterminedeepabrasion.5.Apparatus35.1Abrasionapparatus(seeFig.1)consistingessentiallyofarotatingdisc,astoragehopperwithadispensingdevicefortheabrasivematerial,atestspecimensupport,andacounter-weight.ThediscismadeofFe360Asteel(ISO630-1980)with...
