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Turpentine bush is
a bright green shrub that grows up to 3 m tall, with very rough, scaly
grey-black bark. It grows in the Goldfields, Murchison, Gascoyne and Pilbara.
Wood
description [more
info]
Heartwood is a golden-orange colour with a distinct dark brown
grain. Freshly cut timber may be oily. Sapwood is a contrasting
whitish-cream.
Wood
density [more
info]
Green density is about 955 kg/m3, air-dry density about 850 kg/m3,
and basic density about 715 kg/m3.
Shrinkage
[more
info]
Tangential and radial shrinkage are about 2.9 and 2.5 per cent respectively.
Workability
[more
info]
Goldfields craftsmen rank turpentine bush as
poor for machinability, sanding and gluing, average for boring, screwholding
and stability, good for finishing, and excellent for turning.
Durability
[more
info]
-
Strength
group and properties [more
info]
Green and dry strength groups are (S4) and (SD4). The brackets indicate
conservative provisional ratings based on the air-dry density. The more
important strength properties based on the strength groups are given in
the table below.
|
Property
|
Units
|
Green
|
Dry
|
|
Modulus
of Rupture
|
MPa
|
62
|
94
|
|
Modulus
of Elasticity
|
MPa
|
10700
|
14000
|
|
Max
Crushing Strength
|
MPa
|
31
|
54
|
|
Hardness
|
KN
|
-
|
-
|
Uses
[more
info]
The timber has considerable
potential for woodturning.
Availability
[more
info]
Limited availability because of the scattered nature of
the resource.
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