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MDF is one of four main categories of wood based panels - laminated boards,
particle boards, fibre boards and oriented strand boards. These different
types of boards are distinguished by the level of conversion of the wood raw
material into veneers, particles or fibres. MDF is a type of fibreboard made
from wood or other lignocelluloses materials, refined into fibres and
reconstituted with a resin binder (glue) at high
temperatures. The raw wood material can be in almost any form or specie and
in almost any mixture such as, branches, small diameter trees, hardwood,
softwood, mill waste and forestry waste chips. As such, the recovery rate of
the raw material is almost 100%. |
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In MDF individual
raw wood elements cannot be identified in the finished board. This is due to
the fibreizy process. MDF has a homogeneous structure with uniform texture
and properties throughout. There are no identifiable grains or knots seen at
the edge, end or face nor any internal voids or pits or variation in surface
hardness.
MDF is easier to machine than natural wood and can be laminated and painted
to produce almost any board finish. It can be sawed and shaped very evenly
and smoothly - a process which cannot be achieved to the same degree with
particle boards. MDF can be nailed, stapled, routed, sanded and screwed just
like any natural wood product. It has the mechanical and physical
characteristics approaching the levels associated with solid wood, and in
many applications can be used as a ideal substitute for solid wood. MDF is
particularly light in color which makes it especially easy to paint and
permits the application of very thin laminates without the underlying board
color darkening the laminate.
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"MDF is
resistant to warp, moisture and compression. It is dimensionally stable with
close tolerances"
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Thin MDF boards
are an ideal alternative to plywood. Typical applications in furniture
include drawer bottoms, backs of cabinets and centre panels in framed doors.
In building interiors, thin MDF can be used for wall and ceiling paneling,
as skins for flush doors, partitioning, office screens, lightweight doors
and exhibition paneling. Given developments in High Moisture Resistant panel
boards, MDF is finding growing markets for exterior applications as well.
Thin MDF has found its way into novel applications such as shoe making,
motor vehicle interior parts, toys, printed circuit board production and
blades for electric fans. Due to its excellent acoustic properties, MDF is
also being successfully used in Hi-Fi equipment.
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MDF can be machined into
intricate patterns as easily as natural wood with the advantage of no grain
telegraph.
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Thick MDF boards
can be used in building as architectural features such as columns and
archways where the warp resistance, tensional stability, screw holding
strength and edge finishing characteristics of MDF make it a good substitute
for solid wood. Thick MDF is used as a core substrate material for paneling
with veneers, printed surfaces, vinyl and low pressure laminates due to its
dimensional stability and smoothness.
MDF is easily shaped into almost any form and is commonly available in
lengths up to 16 feet and therefore an excellent material for finished
interior mouldings. MDF has a good bonding strength and resistance to
compression, and so can be finished by a variety of secondary processes such
as flooring, partitions and table tops. The complete versatility of MDF is
yet to be utilized. How you use MDF is only limited by your imagination... |
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