Designation:D5215−93(Reapproved2012)StandardTestMethodforInstrumentalEvaluationofStainingofVinylFlooringbyAdhesives1ThisstandardisissuedunderthefixeddesignationD5215;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethoddescribesproceduresandinstrumenta-tionforaccuratelymeasuringthedegreeofstainingthatmayoccurinvinylflooringasaresultofitscontactwithadhesives.MeasuredcolordifferencesbetweenvinylflooringspecimenscontactingtheadhesiveandnotcontactingtheadhesiveareexpressedintheCIELABColor-ScaleSystem.1.2Thistestmethodprovidesforvisualevaluationofstainingwhichmayoccurwhenvinylflooringcontactsadhe-sives.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D907TerminologyofAdhesivesD2244PracticeforCalculationofColorTolerancesandColorDifferencesfromInstrumentallyMeasuredColorCoordinatesE284TerminologyofAppearanceE1347TestMethodforColorandColor-DifferenceMea-surementbyTristimulusColorimetryE1349TestMethodforReflectanceFactorandColorbySpectrophotometryUsingBidirectional(45°:0°or0°:45°)GeometryG53PracticeforOperatingLight-andWater-ExposureAp-paratus(FluorescentUV-CondensationType)forExpo-sureofNonmetallicMaterials(Withdrawn2000)33.Terminology3.1Definitions:3.1.1chromaticitycoordinates,n—theratioofeachofthetristimulusvaluesofapsychophysicalcolortothesumofthetristimulusvalues(seeTerminologyE284).3.1.1.1Discussion—Chromaticitycoordinatesinthe...
