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Goldfields blackbutt
is a small to medium-sized tree up to 12 m tall, often with a short trunk.
The dark rough bark at the base changes to smooth white, often powdery
bark.
Wood
description [more
info]
Heartwood is chocolate-brown, with an attractive grain.
Wood
density [more
info]
Green density is about 1180 kg/m3, air-dry density about 1130 kg/m3,
and basic density about 880 kg/m3.
Shrinkage
[more
info]
Tangential and radial shrinkage are about 5.5 and 4.2 per cent respectively.
Workability
[more
info]
Goldfields craftsmen rate blackbutt as good
for turning, machinability, boring, screwholding, stability and gluing,
and excellent for sanding and finishing.
Durability
[more
info]
The wood is durable, and presumably CSIRO Durability
Class 2.
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 the strength groups 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
|
-
|
-
|
Uses
[more
info]
Uses during the gold
rushes were for mining timber and fuelwood. The timber has potential for
flooring and parquetry, general craftwork and specialty furniture.
Availability
[more
info]
Limited availability because of the scattered nature of
the resource.
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