Designation:D4103−90(Reapproved2009)StandardPracticeforPreparationofSubstrateSurfacesforCoefficientofFrictionTesting1ThisstandardisissuedunderthefixeddesignationD4103;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThispracticecoversproceduresforthepreparationofOVCT(OfficialVinylCompositionTile)andwoodpanelsforsubsequentuseinteststomeasurethecoefficientoffriction.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D1436TestMethodsforApplicationofEmulsionFloorPolishestoSubstratesforTestingPurposes3.SignificanceandUse3.1Thereliabilityofanyofthepracticesusingpanelspreparedbytheseproceduresmaybedependentuponthemannerandcareinwhichthetestpanelsareprepared.Havingthesepracticesinasingleprocedureeliminatesthenecessityforcoveringthesedetailsinallofthepracticeswhereinthepanelsareused.4.TestPanels(OVCT)4.1PreparationofOVCTforTestingEmulsionFloorPolishes—Forinterlaboratoryandspecificationtesting,tilesofOVCTshallbeused.3Thetilesarepreparedforuseasfollows:4.1.1ThoroughlyscruballtilesusingNo.00steelwoolandanysuitableaqueoustypewaxremoverorstripper.Scrubhardtohelpsmoothouthighandlowspotsonthetile.Rinsewellwithclearwater,toweldry,andairdryfor15to30mininarackthatallowsairtoreachbothsidesofthetile.4.1.2ApplytwocoatsofanysuitablefloorpolishusinganymethodasprescribedinSection5.Allowtodry2hbetweencoatsandaminimumofanovernightdry(15to16h)afterthesecondcoat.4.1.3Thenextday,stripoffallthepolishfromthetilesfollowingtheprocedureusedin4.1.1.4.1.4Repeatthecoating(4.1.2)andstripping(4.1.1)opera-tionsfourmoretimes.Atotaloftencoatsofpolishwillthenhavebe...