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Dundas blackbutt is
a small to medium-sized tree scattered in two separate areas. One occurrence
is from north-west of Norseman east to the Fraser Range and southwards,
and the other north of Coolgardie.
Wood
description [more
info]
Heartwood is light brown to reddish colour. Sapwood is paler.
The timber has a moderate grain.
Wood
density [more
info]
Air-dry density is about 1100 kg/m3.
Shrinkage
[more
info]
Tangential and radial shrinkage are estimated as about 6.0 and 4.5 per
cent respectively.
Workability
[more
info]
Goldfields craftsmen rate Dundas blackbutt
as good for turning, machinability, boring, screwholding, stability, sanding,
gluing, and finishing.
Durability
[more
info]
-
Strength
group and properties [more
info]
Green and dry strength groups are (S2) and (SD2). The brackets indicate
conservative provisional ratings based on the air-dry density. The more
important strength properties based on strength group are given in the
table below.
|
Property
|
Units
|
Green
|
Dry
|
|
Modulus
of Rupture
|
MPa
|
86
|
130
|
|
Modulus
of Elasticity
|
MPa
|
14200
|
18500
|
|
Max
Crushing Strength
|
MPa
|
43
|
70
|
|
Hardness
|
KN
|
-
|
17.6
|
Uses
[more
info]
The timber has potential
for most craft use.
Availability
[more
info]
Limited availability because of the scattered nature of
the resource.
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