1、Designation: D1554 10Standard Terminology Relating toWood-Base Fiber and Particle Panel Materials1This standard is issued under the fixed designation D1554; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision.
2、 A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONThe terms included in this terminology standard are intended to apply to a family of lignocellulosicpanel materials specially manufa
3、ctured for use industrially as components (core, facing, or panels) offurniture, cabinets, and the like, and in building construction as siding, sheathing, partitions, doorcores and paneling, acoustical treatments, and as structural components there and elsewhere where thecombination of thickness, p
4、anel size, and properties satisfy a particular need.1. Scope1.1 This terminology standard covers a repository of termsand classifications essential for the business of Subcommit-tee D07.03.1.2 Terms and classifications for inclusion in this terminol-ogy standard when needed for general use in the co
5、nduct of thestandards over which Subcommittee D07.03 has jurisdiction.1.3 The terms in this standard pertain to cellulosic boards orpanel products derived from wood and the woody tissue ofsuch plants as bagasse, flax, and straw. They fall into twogeneral groups: (1) those manufactured from lignocell
6、ulosicfibers and fiber bundles where in manufacture the interfeltingof the fibers and a natural bond are characteristics, and (2)those boards manufactured from a wide range in size and shapeof particles ranging from fine elements approaching fibers insize to large flakes which are blended with synth
7、etic resinadhesive and consolidated into boards characterized by theresin bond and usually known as resin-bonded particleboardsor more commonly as particleboards.2. TerminologyGENERAL DEFINITIONSfibrous-felted boardsa felted wood-base panel materialmanufactured of refined or partly refined lignocell
8、ulosicfibers characterized by an integral bond produced by aninterfelting of fibers and in the case of certain densities andcontrol of conditions of manufacture by ligneous bond, andto which other materials may have been added duringmanufacture to improve certain properties.medium-density fiberboard
9、 (MDF)a composite panelproduct composed primarily of cellulosic fibers in which theprimary source of physical integrity is provided throughaddition of a bonding system cured under heat and pressure.Additives may be introduced during the manufacturingprocess to improve certain properties. MDF density
10、 at thetime of manufacturing, is typically between 500 kg/m3(31 lb/ft3) and 1000 kg/m3(62 lb/ft3), based on a reportedmoisture content at the time of weight and volume measure-ments.particleboardsa generic term for a composite panel prima-rily composed of cellulosic materials, generally in the formo
11、f discrete pieces or particles, as distinguished from fibers,bonded together with a bonding system, and that maycontain additives.wood-base fiber and particle panel materialsa genericterm applied to a group of board materials manufacturedfrom wood or other lignocellulosic fibers or particles towhich
12、 binding agents and other materials may be addedduring manufacture to obtain or improve certain properties.Composed of two broad types, fibrous-felted and particle-boards.wood-cement boarda panel material where wood usually inthe form of excelsior is bonded with inorganic cement.CLASSIFICATION OF FI
13、BROUS-FELTED BOARDScellulosic fiberboarda generic term for a homogeneouspanel made from lignocellulosic fibers (usually wood orcane) characterized by an integral bond produced by inter-felting of the fibers, to which other materials may have beenadded during manufacture to improve certain properties
14、, butwhich has not been consolidated under heat and pressure as1This terminology is under the jurisdiction of ASTM Committee D07 on Woodand is the responsibility of Subcommittee D07.03 on Panel Products.Current edition approved May 1, 2010. Published July 2010. Originally approvedin 1958. Last previ
15、ous edition approved in 2005 as D1554 01 (2005). DOI:10.1520/D1554-10.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.a separate stage in manufacture, said board having a densityof less than 31 lb/ft3(specific gravity 0.50) but havin
16、g adensity of more than 10 lb/ft3(specific gravity 0.16).hardboarda generic term for a panel manufactured prima-rily from inter-felted lignocellulosic fibers (usually wood),consolidated under heat and pressure in a hot-press to adensity of 31 lb/ft3(specific gravity 0.50) or greater, and towhich oth
17、er materials may have been added during manu-facture to improve certain properties.medium-density hardboarda hardboard as previously de-fined with a density between 31 and 50 lb/ft3(specificgravity between 0.50 and 0.80).high-density hardboarda hardboard as previously definedwith a density greater t
18、han 50 lb/ft3(specific gravity 0.80).CLASSIFICATION OF PARTICLEBOARDSlow-density particleboarda particleboard as previously de-fined with a density of less than 640 kg/m3(40 lb/ft3) basedon a reported moisture content at the time of weight andvolume measurements.medium-density particleboarda particl
19、eboard as previ-ously defined with a density between 640 800 kg/m3(40 50 lb/ft3) based on a reported moisture content at thetime of weight and volume measurements.high-density particleboarda particleboard as previouslydefined with a density greater than 800 kg/m3(50 lb/ft3)based on a reported moistu
20、re content at the time of weightand volume measurements.NOTE 1It is the industry practice to measure density of particleboardson the basis of moisture content and volume at time of test.TERMS RELATING TO WOOD-BASE FIBER ANDPARTICLE PANEL MATERIALSair-feltingforming of a fibrous-felted board from an
21、airsuspension of damp or dry fibers on a batch or continuousforming machine (sometimes referred to as the dry orsemi-dry process).binderan extraneous bonding agent, either organic or inor-ganic, used to bind particles together to produce a particleboard.chipssmall pieces of wood chopped off a block
22、by ax-likecuts as in a chipper of the paper industry, or produced bymechanical hogs, hammermills, etc.curlslong flat flakes manufactured by the cutting action of aknife in such a way that they tend to be in the form of a helix.factory-finished boardsboards with a factory-applied sur-face as, for exa
23、mple, powder or liquid coatings or overlays.These finished boards require no further field finishing.factory-primed boardsboards with a factory-appliedprimer that requires subsequent finishing in the field.fibersthe slender threadlike elements or groups of woodfibers or similar cellulosic material r
24、esulting from chemicalor mechanical defiberization, or both, and sometimes re-ferred to as fiber bundles.flat-platen presseda method of consolidating and hot press-ing a panel product in which the applied pressure isperpendicular to the faces.flakea small wood particle of predetermined thicknessspec
25、ifically produced as a primary function of specializedequipment of various types, with the cutting action acrossthe direction of the grain (either radially, tangentially, or atan angle between), the action being such as to produce aparticle of uniform thickness, essentially plane of the flakes,in ov
26、er-all character resembling a small piece of veneer.heat-treatingthe process of subjecting a wood-base panelmaterial (usually hardboard) to a special heat treatment afterhot pressing to increase some strength properties and waterresistance.hot-pressingprocess for increasing the density of a wet-felt
27、ed or air-felted mat of fibers or particles by pressing thedried, damp, or wet mat between platens of hot-press tocompact and set the structure by simultaneous application ofheat and pressure.particlethe aggregate component of a particle board manu-factured by mechanical means from wood or other lig
28、nocel-lulosic material (comparable to the aggregate in concrete)including all small subdivisions of wood such as chips, curls,flakes, sawdust, shavings, slivers, strands, wood flour, andwood wool. Particle size may be measured by the screenmesh that permits passage of the particles and another scree
29、nupon which they are retained, or by the measured dimen-sions as for flakes and strands.sawdustwood particles resulting from the cutting and break-ing action of saw teeth.shavinga small wood particle of indefinite dimensionsdeveloped incidental to certain woodworking operationsinvolving rotary cutte
30、rheads usually turning in the directionof the grain; and because of this cutting action, producing athin chip of varying thickness, usually feathered along atleast one edge and thick at another and usually curled.sizing agentasphalt, rosin, wax, or other additive introducedto the stock for a fibrous
31、-felted board, prior to forming, oradded to the blend of particles and resin for a particle board,to increase water resistance.sliversparticles of nearly square or rectangular cross-sectionwith a length parallel to the grain of the wood of at least fourtimes the thickness.stranda wood flake having a
32、 minimum predeterminedlength-to-width ratio of 2:1.temperingthe manufacturing process of adding to a fiber orparticle panel material a siccative material such as drying oilblends of oxidizing resin which are stabilized by baking orother heating after introduction.wafera wood flake having a predeterm
33、ined length of at least1316 in. (30 mm).wet-feltingforming of a fibrous-felted board mat from awater suspension of fibers and fiber bundles by means of adeckle box, fourdrinier, or cylinder board machine.wood flourvery fine wood particles generated from woodreduced by a ball or similar mill until it
34、 resembles wheatflour in appearance, and of such a size that the particlesusually will pass through a 40-mesh screen.wood wool (excelsior)long, curly, slender strands of woodused as an aggregate component for some particleboards.D1554 102TERMS DESCRIBING WOOD-BASE FIBER ANDPARTICLE PANEL PRODUCTSaco
35、ustical boarda low-density, sound absorbing cellulosicfiberboard having a factory-applied finish and a fissured,felted-fiber, slotted or perforated surface pattern provided toreduce sound reflection. Usually supplied for use in the formof tiles.building boarda natural finished multi-purpose cellulos
36、icfiberboard.extruded particleboarda particleboard manufactured byforcing a mass of particles coated with an extraneous bindingagent through a heated die with the applied pressure parallelto the faces and in the direction of extruding.hardboard underlaymenta service-grade hardboard madeor machined t
37、o close thickness tolerances for use as aleveling course and to provide a smooth surface under floorcovering materials.insulating formboarda specially fabricated cellulosic fiber-board designed for use as a permanent form for certainpoured-in-place roof constructions.insulating roof decka cellulosic
38、 fiberboard product de-signed for use in open-beam ceiling roof construction. Theproduct is composed of multiple layers of structural insulat-ing board laminated together with water-resistant adhesive.intermediate fiberboard sheathinga cellulosic fiberboardsheathing product, approximately 22 lb/ft3,
39、 used in frameconstruction under masonry veneer, siding, shingles, andstucco.mat-formed particleboarda particleboard in which thecoated particles are formed first into a mat having substan-tially the same length and width as the finished board beforebeing flat-platen pressed.nail-base fiberboard she
40、athinga specially manufacturedcellulosic fiberboard product, approximately 25 lb/ft3, de-signed for use in frame construction to permit the directapplication of certain exterior siding materials such aswood-based or composite shingles.particleboard corestockcommon name given to particleboard manufac
41、tured for use as a core for overlaying.particleboard panel stockcommon name given to particleboard manufactured primarily for use as panel material, andin which the surfaces may be treated to obtain decorativeeffects.particleboard underlaymentan underlayment grade par-ticleboard made or machined to
42、close thickness tolerancesfor use as a leveling course and to provide a smooth surfaceunder floor covering materials.perforated hardboardhardboard with closely spaced fac-tory punched or drilled holes.planed-to-caliper hardboardhardboard that is machined toa close thickness tolerance.roof insulation
43、 boardstructural insulating board fabricatedfor use as above-deck roof insulation.service hardboarda hardboard of about 55 lb/ft3(specificgravity 0.88) density intended for use where standardstrength board is not required and better dimensional stabil-ity is desired.screen-back hardboard (S1S)hardbo
44、ard with a reverseimpression of a screen on the back produced when a damp orwet mat is hot-pressed into a board and dried in the press.sheathingcellulosic fiberboard for use in housing and otherbuilding construction, which may be integrally treated,impregnated or coated to give it additional water r
45、esistance.shingle backera specially fabricated sheathing-grade cellu-losic fiberboard used as a backer strip in coursed shingleconstruction.sound-deadening boarda specially manufactured cellulosicfiberboard product for use in building construction in walland floor assemblies to reduce sound transmis
46、sion.smooth - two - side hardboard (S2S)hardboard producedfrom a dry mat pressed between two smooth hot platens.standard hardboardhardboard substantially as manufac-tured at the end of hot pressing, except for humidification toadjust moisture content, trimming to size, and other subse-quent machinin
47、g, and having the properties associated withhardboard meeting specifications for that quality product.tempered hardboarda hardboard subjected to tempering aspreviously defined or specially manufactured with othervariation in usual process so that the resulting product hasspecial properties of stiffn
48、ess, strength, and water-resistanceassociated with boards meeting specifications for that qualityproduct.tempered service hardboardservice hardboard, as previ-ously defined, which has been given a tempering treatmentto improve such properties as stiffness, strength, and waterresistance.textured boar
49、dsboards that are factory produced with anonplaner surface by, for example, molding, embossing,machining, or post-forming or any combination of theseprocesses.3. Keywords3.1 fiber and particle panels; particle board; wood basedD1554 103ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such
