Western myall
Acacia papyrocarpaWestern myall is a small tree up to 7 m tall with dark grey bark and a dense crown. It grows in the Goldfields and adjacent Nullarbor area, on deeper sandy soils and clays in the Goldfields, and on calcareous soils on the Nullarbor.
Wood
description [more
info]
Heartwood is chocolate-coloured to golden-brown, often with a golden
fleck and pronounced ripple grain.
Wood
density [more
info]
Green density is about 1295 kg/m3, air-dry density about 1235 kg/m3,
and basic density about 1080 kg/m3.
Shrinkage [more
info]
Tangential and radial shrinkage are about 1.5 and 1.0 per cent respectively.
Workability [more
info]
Goldfields craftsmen rank western myall as
good for machinability, screwholding and gluing, and excellent for turning,
boring, stability, sanding and finishing.
Durability [more
info]
The wood is very durable, and presumably CSIRO
Durability Class 1 when used for fencing.
Strength
group and properties [more
info]
Green and dry strength groups are (S1) and (SD1). 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 |
103 |
150 |
Modulus of Elasticity |
MPa |
16300 |
21500 |
Max Crushing Strength |
MPa |
52 |
80 |
Hardness |
KN |
- |
- |
Uses [more
info]
Previous uses include
fencing and firewood, but the species has considerable potential for use
as specialty timber, including musical instruments.
Availability [more
info]
Limited availability because of the scattered nature of
the resource.









