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Jarrah
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Eucaliptus marginata
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| Sample is square-edged solid strip. Top portion is finished with a water-based urethane; the bottom with an oil-modified polyurethane. |
|
Jarrah
|
|
Eucaliptus marginata
|
|
| Sample is square-edged solid strip. Top portion is finished with a water-based urethane; the bottom with an oil-modified polyurethane. |
Appearance
COLOR: Heartwood is uniformly pinkish to
dark red, often a rich, dark red mahogany hue, turning a deep brownish
red with age and exposure; sapwood is pale. Frequent black streaks with
occasional in-grown grain.
GRAIN: Frequently interlocked or wavy. Texture
is even and moderately coarse.
VARIATIONS WITHIN SPECIES AND GRADES: Moderate
to high color variation.
Properties
HARDNESS (JANKA): 1910; 48% harder than Northern
red oak.
DIMENSIONAL STABILITY: Below average (change
coefficient .00396; 7% less stable than red oak).
DURABILITY: Dense and very strong; high resistance
to wear.
Workability
SAWING/MACHINING: Difficult to work because
of high density and irregular grain; carbide tooling recommended.
SANDING: Sands well, but dust can stain fabric
and wall treatments.
NAILING: Good holding ability.
FINISHING: Red color can bleed into some
finishes — a problem when mixing species.
COMMENTS: Resistant to termites and fungus.
Cost (relative to
plainsawn select red oak)
MULTIPLIER: 1.55
Availability
Moderately available.
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