Corkwood (Duboisia myoporoides)
Family: Solanaceae
Common names: Corkwood, Duboisia, Eye-opening tree, Poisonous corkwood, Yellow basewood
Distributed in: Australia, New Caledonia Island [France] (Oceania and S.E. Asia)
Common uses: Agricultural implements, Boxes and crates, Carvings, Chemical derivatives, Matches, Moldings, Musical instruments, Plywood, Pulp/Paper products, Sporting Goods, Toys, Turnery, Veneer, Veneer: decorative
Tree size: Tree height is 20-30 m
Colors: the heart isWhite to creamand the sapwoodSame as heartwood
.The grain isStraight, the textureMediumand the lusterLustrous
Natural durability: Sapwood is susceptible to wood staining fungal attack, Susceptible to attack from powder post (Lyctid & Bostrychid) beetles
Kiln Schedules: Drying (speed) is fast
Boring: Difficult
Cutting Resistance: Cutting Resistance with dry wood is easy
Nailing: Easy to nail, Holds satisfactorily
Planing: Planes well, to a good finish
Response to hand tools: Easy to machine
Turning: Easy to turn
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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Density |
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400 |
kg/m3 |
Bending Strength |
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kg/cm2 |
Crushing Strength |
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kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
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1000 kg/cm2 |
Tangential Shrinkage |
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% |
Radial Shrinkage |
3 |
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% |
Weight |
400 |
336 |
kg/m3 |
Maximum Load |
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cm-kg/cm3 |
Toughness |
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cm-kg |
Static Bending |
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kg/cm2 |
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 |  |  |  | Item | Green | Dry | English | Density | | 25 | lbs/ft3 | Weight | 25 | 21 | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 7 | | % | |
Shrinkage, Radial = small Shrinkage, Tangential = small Shrinkage, Tangential = moderate Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Density (dry weight) = 23-30 lbs/cu. ft.
Anderson, R.H.,1947,The Trees of New South Wales,New South Wales Department of AgricultureAudas, J.W.,Native Trees of Australia,Whitcombe & Tombs PTY. LtdFrancis, W.D.,1951,Australian Rain-forest Trees,Commonwealth of Australia - Forestry and Timber BureauKeating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1
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