Designation:D7031−11StandardGuideforEvaluatingMechanicalandPhysicalPropertiesofWood-PlasticCompositeProducts1ThisstandardisissuedunderthefixeddesignationD7031;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoverstestmethodsappropriateforevaluat-ingawiderangeofperformancepropertiesforwood-plasticcomposite(WPC)products.Itwasdevelopedfromevaluationsofbothexperimentalandcurrentlymanufacturedproducts,andisnotintendedtosuggestthatallthetestslistedarenecessaryorappropriateforeachapplicationofaWPC.Theusermustdeterminewhichtestmethodsapplytotheparticularapplica-tionbeingevaluated(seeAppendixX1).1.2Detailsofmanufacturingprocessesmaybeproprietaryandarebeyondthescopeofthisguide.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C1308TestMethodforAcceleratedLeachTestforDiffusiveReleasesfromSolidifiedWasteandaComputerProgramtoModelDiffusive,FractionalLeachingfromCylindricalWasteFormsD9TerminologyRelatingtoWoodandWood-BasedProd-uctsD143TestMethodsforSmallClearSpecimensofTimberD792TestMethodsforDensityandSpecificGravity(Rela-tiveDensity)ofPlasticsbyDisplacementD883TerminologyRelatingtoPlasticsD1037TestMethodsforEvaluatingPropertiesofWood-BaseFiberandParticlePanelMaterialsD1038TerminologyRelatingtoVeneerandPlywoodD1413TestMethodforWoodPreservativesbyLaboratorySoil-BlockCulturesD1554TerminologyRelatingtoWood-BaseFiberandPar-ticlePanelMaterialsD1761TestMethodsforMechanicalFastenersinWoodD1929TestMethodforDeterminingIgnitionTemperatureofPlasticsD2017TestMethodofAcceleratedLaboratoryTestofNatu-ralDecayResistanceofWoods(Withdrawn2014...