Designation:D6887−03(Reapproved2013)StandardTestMethodforTestingAlkydCompatibilitywithResinorResinSolutions1ThisstandardisissuedunderthefixeddesignationD6887;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheprocedurefordeterminingthedegreeofcompatibilityofanalkydwithaspecificresinorresinsolution.1.2Themostcommonuseofthismethodistotestalkydcompatibilitywithahydrocarbonresinorasolutionoftheresininanaliphaticsolvent,forlithographicinkvehicleapplications.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D6038TestMethodsforDeterminingtheCompatibilityofResin/SolventMixturesbyPrecipitationTemperature(CloudPoint)3.Terminology3.1Definitions:3.1.1compatibility,n—resinandsolventmixtureformsaclear,homogenous,andstablesolution.D60383.1.2incompatibility,n—resinandsolventmixturedoesnotformaclear,homogenous,andstablesolution.4.SummaryofTestMethod4.1Therequiredresintoalkydratioismixedintoa150-mLbeakerandheatedto160°Cuntilclearandhomogenous.4.2Thesolutionisplacedintopre-labeledjarsandcooled.4.3Degreeofcompatibilityisreportedat30minand24haftercoolingtoroomtemperature.5.SignificanceandUse5.1Incompatibilityofthesystemcanleadtolossofgloss,decreasedcolorstrength,rheologicalproblemsandgrindissuesintheflushorpigmentbase.5.2Thismethodisusedinthelithographicindustry,espe-ciallyinpigmentwettingapplications,wherethealkydmayormaynotbetotallycompatiblewiththeresinselectedfortheapplication.6.Apparatus6.1Beakers,150mL(4).6.2Ja...
