Designation:D1554−10StandardTerminologyRelatingtoWood-BaseFiberandParticlePanelMaterials1ThisstandardisissuedunderthefixeddesignationD1554;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThetermsincludedinthisterminologystandardareintendedtoapplytoafamilyoflignocellulosicpanelmaterialsspeciallymanufacturedforuseindustriallyascomponents(core,facing,orpanels)offurniture,cabinets,andthelike,andinbuildingconstructionassiding,sheathing,partitions,doorcoresandpaneling,acousticaltreatments,andasstructuralcomponentsthereandelsewherewherethecombinationofthickness,panelsize,andpropertiessatisfyaparticularneed.1.Scope1.1ThisterminologystandardcoversarepositoryoftermsandclassificationsessentialforthebusinessofSubcommit-teeD07.03.1.2Termsandclassificationsforinclusioninthisterminol-ogystandardwhenneededforgeneraluseintheconductofthestandardsoverwhichSubcommitteeD07.03hasjurisdiction.1.3Thetermsinthisstandardpertaintocellulosicboardsorpanelproductsderivedfromwoodandthewoodytissueofsuchplantsasbagasse,flax,andstraw.Theyfallintotwogeneralgroups:(1)thosemanufacturedfromlignocellulosicfibersandfiberbundleswhereinmanufacturetheinterfeltingofthefibersandanaturalbondarecharacteristics,and(2)thoseboardsmanufacturedfromawiderangeinsizeandshapeofparticlesrangingfromfineelementsapproachingfibersinsizetolargeflakeswhichareblendedwithsyntheticresinadhesiveandconsolidatedintoboardscharacterizedbytheresinbondandusuallyknownasresin-bondedparticleboardsormorecommonlyasparticleboards.2.TerminologyGENERALDEFINITIONSfibrous-feltedboards—afeltedwood-basepanelmaterialmanufacturedofrefinedorpartlyrefinedlignocellulosicfiberscharacterizedbyanintegralbondproducedbyaninterfeltingoffibersandinthecaseofcertaindensitiesandcontrolofconditionsofmanufacturebyligneousbond,andtowhichothermat...
