Designation:D7247−07a´1StandardTestMethodforEvaluatingtheShearStrengthofAdhesiveBondsinLaminatedWoodProductsatElevatedTemperatures1ThisstandardisissuedunderthefixeddesignationD7247;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—Editorialcorrectionsweremadein6.2inApril2008.1.Scope1.1Thisstandarddescribesatestmethodforevaluatingthecomparativeshearstrengthofaplanaradhesivebondatbothambientandelevatedtemperaturesrelativetotheperformanceofsolidwoodunderthesameconditions.Thetestmethodisbasedonthebreakingloadafterthespecimenisexposedtoeitherambientoraconstantelevatedtemperatureforaspeci-fieddurationasdescribedinSection7.Thisstandarddoesnotprecludethedevelopmentandimplementationofothermeth-odsthatprovideequivalentperformancemeetingtheintentofthismethod.1.2ThistestmethodisintendedfortheevaluationofadhesivesthatcanbeusedtoassembletestspecimensinaccordancewithTestMethodD905.Theevaluationofothertypesofadhesives,suchasthebindersystemsusedforstrand-basedproducts,isbeyondthescopeofthistestmethod.1.3Thistestmethodisintendedfortheevaluationofadhesivesasacomponentoflaminatedwoodproductsatelevatedtemperatures.Theevaluationoffireperformanceonfire-ratedlaminatedwoodproductsorassembliesisbeyondthescopeofthistestmethod.1.4WhileitispreferabletousesolidwoodspecimensasdescribedinSection6asthecontrol,structuralcompositelumberproductsasdefinedinSpecificationD5456shallbepermittedforuseprovidedtheyarematchedwiththebondedspecimensinaccordancewithSection6andtheignitiontemperatureisnotsignificantlylowerthansolidwoodofthesamespecies.1.5Theexactformulationofadhesivesuppliedtothemanufactureroflaminatedwoodproductsshallbeevaluated.Modificationstotheadhesiveformulationrequireaseparateevaluationunlessapprovedbythemanufacturerofthelami-natedwoodproduct,qualifiedagency,andcodeevaluation...
