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Corkwood is a small
tree that grows to 8 m, generally with crooked trunk and branches. The
thick bark grows as ridges, with a corklike appearance. The species grows
in moisture-accumulating sites in overall arid areas in the Gascoyne,
Murchison and Goldfields.
Wood
description [more
info]
Heartwood is pale red with distinctive rays on quartersawn
timber.
Wood
density [more
info]
Green density is about 1225 kg/m3, air-dry density about 965 kg/m3,
and basic density about 800 kg/m3.
Shrinkage
[more
info]
Tangential and radial shrinkage are about 4.9 and 2.2 per cent respectively.
Workability
[more
info]
Goldfields craftsmen rate corkwood as average
for turning, stability and sanding, and good for machinability, boring,
screwholding and finishing.
Durability
[more
info]
-
Strength
group and properties [more
info]
Green and dry strength groups are (S3) and (SD3). The brackets indicate
conservative provisional ratings based on the air-dry density. The more
important strength properties based on strength groups are given in the
table below.
|
Property
|
Units
|
Green
|
Dry
|
|
Modulus
of Rupture
|
MPa
|
73
|
110
|
|
Modulus
of Elasticity
|
MPa
|
12400
|
16000
|
|
Max
Crushing Strength
|
MPa
|
36
|
61
|
|
Hardness
|
KN
|
-
|
-
|
Uses
[more
info]
The timber has potential
for woodturning and craftwork.
Availability
[more
info]
Limited availability because of the scattered nature of
the resource.
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