Designation:D7232−06(Reapproved2012)StandardTestMethodforRapidDeterminationoftheNonvolatileContentofCoatingsbyLossinWeight1ThisstandardisissuedunderthefixeddesignationD7232;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodisusedtoobtainrapiddeterminationoftheweightpercentnonvolatile(solids)contentviainstrumentallossinweighttechnology.ItisnotmeantasareplacementforTestMethodD2369.1.2Thistestmethodisprincipallyintendedforqualitycontrollabsandmanufacturingenvironmentswherepreviouslycharacterizedmaterialswillbetestedrepeatedlyfordifferentbatchesorlots.1.3Thistestmethodcanbeusedforwaterborneandsolventborneresins,intermediatesandfinishedpaintproducts.Thistestmethodmaynotbeapplicabletoalltypesofcoatings.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnosimilarorequivalentISOstandard.2.ReferencedDocuments2.1ASTMStandards:2D16TerminologyforPaint,RelatedCoatings,Materials,andApplicationsD2369TestMethodforVolatileContentofCoatingsE180PracticeforDeterminingthePrecisionofASTMMethodsforAnalysisandTestingofIndustrialandSpe-cialtyChemicals(Withdrawn2009)33.Terminology3.1Definitions:3.1.1Thedefinitionsusedinthistestmethodareinaccor-dancewithTerminologyD16.3.1.2nonvolatilecontent,n—thecoatingmaterialthatre-mainsinthepanattheconclusionofthetest.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1flipandsquish,n—atestingtechniquethatmaybeusedwhentheexpectednonvolatilecontentisgreaterthan40%,orwhenthesampleishighlyviscousanddoesnotabsorbwellintothef...
