ASTM D1554-00
(Terminology)Standard Terminology Relating to Wood-Base Fiber and Particle Panel Materials
Standard Terminology Relating to Wood-Base Fiber and Particle Panel Materials
General Information
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Designation: D 1554 – 00
Standard Terminology Relating to
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Wood-Base Fiber and Particle Panel Materials
This standard is issued under the fixed designation D 1554; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
The terms included in this terminology are intended to apply to a family of lignocellulosic panel
materials specially manufactured for use industrially as components (core, facing, or panels) of
furniture, cabinets, and the like, and in building construction as siding, sheathing, partitions, door
cores and paneling, acoustical treatments, and as structural components there and elsewhere where the
combination of thickness, panel size, and properties satisfy a particular need. The usual alternative
materials to these wood-base panel materials are wood in the form of lumber and plywood, plastics,
inorganic fiber cement boards, and gypsum board.
The terms used and defined herein differ slightly from some practice. Modifications appeared to be
desirable to clarify the nomenclature since confusion exists because of the similarity of some existing
terms with those for other materials. The use of the terms herein will do much to standardize the terms
pertaining to cellulosic fiberboard, hardboard, and particleboard, the principal materials included. The
board or panel materials included are those derived from wood and the woody tissue of such plants
as bagasse, flax, and straw. They fall into two general groups: (1) those manufactured from
lignocellulosic fibers and fiber bundles where in manufacture the interfelting of the fibers and a natural
bond are characteristics, and (2) those boards manufactured from a wide range in size and shape of
particles ranging from fine elements approaching fibers in size to large flakes which are blended with
synthetic resin adhesive and consolidated into boards characterized by the resin bond and usually
known as resin-bonded particleboards or more commonly as particleboards.
1. Terminology bonded together with a bonding system, and that may
contain additives.
GENERAL DEFINITIONS
wood-cement board—a panel material where wood usually in
the form of excelsior is bonded with inorganic cement.
wood-base fiber and particle panel materials—a generic
term applied to a group of board materials manufactured
CLASSIFICATION OF FIBROUS-FELTED BOARDS
from wood or other lignocellulosic fibers or particles to
which binding agents and other materials may be added cellulosic fiberboard—a generic term for a homogeneous
during manufacture to obtain or improve certain properties. panel made from lignocellulosic fibers (usually wood or
Composed of two broad types, fibrous-felted and particle- cane) characterized by an integral bond produced by inter-
boards. felting of the fibers, to which other materials may have been
fibrous-felted boards—a felted wood-base panel material added during manufacture to improve certain properties, but
manufactured of refined or partly refined lignocellulosic which has not been consolidated under heat and pressure as
fibers characterized by an integral bond produced by an a separate stage in manufacture, said board having a density
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interfelting of fibers and in the case of certain densities and of less than 31 lb/ft (specific gravity 0.50) but having a
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control of conditions of manufacture by ligneous bond, and density of more than 10 lb/ft (specific gravity 0.16).
to which other materials may have been added during hardboard—a generic term for a panel manufactured prima-
manufacture to improve certain properties. rily from inter-felted lignocellulosic fibers (usually wood),
particleboards—a generic term for a composite panel prima- consolidated under heat and pressure in a hot-press to a
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rily composed of cellulosic materials, generally in the form density of 31 lb/ft (specific gravity 0.50) or greater, and to
of discrete pieces or particles, as distinguished from fibers, which other materials may have been added during manu-
facture to improve certain properties.
1 medium-density hardboard—a hardboard as previously defined
This terminology is under the jurisdiction of ASTM Committee D-7 on Wood
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with a density between 31 and 50 lb/ft (specific gravity
and is the responsibility of Subcommittee D07.03 on Panel Products.
Current edition approved Apr. 10, 2000. Published June 2000. Originally
between 0.50 and 0.80).
published as D 1554 – 58 T. Last previous edition D 1554 – 86 (1993).
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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D 1554
high-density hardboard—
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