Designation:D3430−95(Reapproved2021)StandardTestMethodforClarityandYellownessofLiquidWater-BasedClearFloorPolishes1ThisstandardisissuedunderthefixeddesignationD3430;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversmeasurementofthedegreeofclarityanddepthofyellownessofwater-basedclearfloorpolishes.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.3Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.Terminology2.1Definitions:2.1.1absorbance—thenegativelogarithm,tothebase10,oftheratiooftheradiantpowertransmittedthroughasampletotheradiantpowerincidentuponthesample.Hence,astheclaritydecreasesorthedepthoftheyellownessincreasestheabsorbanceincreases.3.SignificanceandUse3.1Thelaboratorytechniquedescribedinthistestmethodisusedtoevaluatetheclarityandyellownessofwater-based“clear”floorpolishesforproductdevelopmentorqualitycontrolpurposes.4.Apparatus4.1Colorimeter,2equippedwithcylindrical20-mmmatchedcells.(If20-mmcellsarenotavailable,10-mmmatchedcellsmaybesubstituted.)4.2Anycolorimeterhavingequivalentresolutionandsen-sitivitymaybeusedwiththeappropriatematchedcells.5.Sampling5.1Thesampleshallberepresentativeofthematerialtobetestedandtheportionusedforthetestshallberepresentativeofthesampleitself.5.2CalibrationSample—Anyemulsionpolymerthatvisu-allyexhibitslittleornoyellowness,selectedfordilution(see6.1).6.Pr...
