Designation:D8163−18StandardTestMethodforDeterminationofStrengthofColorantsandBasesforArchitectural,Marine,Maintenance,Commercial,andIndustrialCoatings1ThisstandardisissuedunderthefixeddesignationD8163;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofstrengthofcolorantdispersions,coloredandwhitebases,forarchitectural,marine,maintenance,commercial,andindustrialcoatings.1.2Thistestmethodappliestocolorantdispersionsandcoloredandwhitebasesregardlessofthemethodsusedtodispersethesematerials.1.3Theresultanttestvalueisintermsofpercentstrengthinwhichamaterialstrongerthanstandardisimpliedbyvalueslargerthan100%andweakerthanstandardisimpliedbyvalueslessthan100%.Thevalueof100%impliesexactstrengthconformancetothetestmethod.1.4Thistestmethodissuitableforthedeterminationofstrengthwhentolerancesaresetaboutstandardsthatarepreparedeitherbyweightconcentrationorvolumeconcentra-tion.1.5Thetestresultisempiricallydetermined.Theuserdeterminesandsuppliesthestandardforstrengthoftheproductundertestandthetestresultisrelativetothatsuppliedstandard.1.6ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.8Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStan...
