Designation:D4426−01(Reapproved2013)StandardTestMethodforDeterminationofPercentNonvolatileContentofLiquidPhenolicResinsUsedforWoodLaminating1ThisstandardisissuedunderthefixeddesignationD4426;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstherecommendedprocedureforthedeterminationofthenonvolatileortotalsolidscontentofliquidphenolicresinsusedforwoodlaminating.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D907TerminologyofAdhesivesD1582TestMethodforNonvolatileContentofLiquidPhenol,Resorcinol,andMelamineAdhesives3.Terminology3.1Definitions—ManyofthetermsinthistestmethodaredefinedinTerminologyD907.4.SummaryofTestMethod4.1Aweighedspecimenisoven-dried,cooledinadesiccator,andweighed.Thepercentnonvolatilecontentiscalculated,basedontheamountremaining.5.SignificanceandUse5.1Thistestmethodisintendedasafastandeconomicaldeterminationofthenonvolatilecontentofliquidphenolicresinsusedforwoodlaminatingandisusefulforgeneralcomparativepurposes.Forgreaterprecisionandaccuracy,TestMethodD1582isrecommended.6.Apparatus6.1DisposableAluminumFoilDishes,60-mm(2.4-in.)diameterby16-mm(0.60-in.)depth.NOTE1—AglassdishmaybeusedifthepHoftheresinisgreaterthanten.6.2Desiccator,chargedwithDrieriteorequivalentdesic-cant.6.3MechanicalConvectionOven.6.4AnalyticalBalance,accurateto60.1mg(0.000002lb).6.5EyeDroppers,orDroppingPipettes,2-mLcapacity.6.6Anemometer.6.7StainlessSteelTrays,fabricated30gauge,83by250mm(3.25by9.8in.),with19-mm...
