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Comments
Common Names
Common Uses
Countries of Distribution
Distribution Overview
Family Name
Grain
Heartwood Color
Movement in Service
Natural Durability
Numerical Data
Planing
Plantation species?
Polishing
References
Regions of Distribution
Resistance to Impregnation
Sanding
Sapwood Color
Scientific Name
Strength Properties
Trade Name
Tree Size
Turning
Varnishing
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Common Names
Acacia, Ear-pod wattle, Papuan wattle
Plantation species?
Yes
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Australia, India, Indonesia, Malaysia, Papua New Guinea, Thailand
Common Uses
Agricultural implements, Cabinetmaking, Charcoal, Fuelwood, Furniture, Joinery, Light construction, Poles, Pulp/Paper products, Toys
Distribution Overview
Native to the savannas of New Guinea, islands of the Torres Strait, and northern Australia, it has been widely introduced, e.g. in Fiji, India, Indonesia, Java, Malaysia, Niger, Nigeria, Philippines, Tanzania, Thailand, the Soloman Islands, Uganda, and Zanzibar.
Heartwood Color
| Red |
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| Brown |
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| Pale brown |
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| Dark brown |
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Sapwood Color
| White |
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| Red |
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| Yellow |
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| Paler than heartwood |
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| White to yellow |
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Grain
| Even |
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| Closed |
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| Straight |
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| Wavy |
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Natural Durability
| Durable |
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| Moderately durable |
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| Resistant to termites |
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| Non-resistant to powder post beetles |
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| Non-resistant to marine borers |
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| Susceptible to insect attack |
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| Susceptible to marine borer attack |
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| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
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| Moderately resistant to termite (Isoptera) attack |
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| Moderately durable |
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| Durable |
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Tree Size
Comments
General finishing qualities are rated as good
Movement in Service
| Excellent Stability - Small Movement |
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| Stable |
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Planing
| Fairly Easy to Very Easy |
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| Easy to plane |
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Resistance to Impregnation
| Permeable heartwood |
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| Permeable sapwood |
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| Resistant sapwood |
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| Sapwood is moderately resistant |
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| Heartwood is permeable |
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Sanding
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Good sanding finish |
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Turning
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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| Good results |
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| Easy to turn |
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Polishing
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Good results |
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Varnishing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Satisfactory |
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Strength Properties
| Shrinkage, Tangential = very small |
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| Shrinkage, Radial = very small |
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| Shearing strength (parallel to grain) = low |
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| Max. crushing strength = medium |
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| Bending strength (MOR) = low |
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| Shrinkage, Tangential = small |
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| Shrinkage, Radial = small |
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| Density (dry weight) = 38-45 lbs/cu. ft. |
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| Density (dry weight) = 31-37 lbs/cu. ft. |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 6111 | 9589 | psi |
| Density | | 36 | lbs/ft3 |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Shearing Strength | | 1560 | psi |
| Stiffness | 1358 | 1568 | 1000 psi |
| Weight | 35 | 29 | lbs/ft3 |
| Radial Shrinkage | 2 | | % |
| Tangential Shrinkage | 5 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 429 | 674 | kg/cm2 |
| Density | | 576 | kg/m3 |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Shearing Strength | | 109 | kg/cm2 |
| Stiffness | 95 | 110 | 1000 kg/cm2 |
| Weight | 560 | 464 | kg/m3 |
| Radial Shrinkage | 2 | | % |
References
Ananthanarayana, A.K., Kumar, P. and Sharma, S.N.,1986,Possibilities of utilization of some exotic species from plantations for,timber products,Van Vigyan Vol.24, Nos. 1 & 2, 21-24
Keating, 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
Yoji Kikata (ed.,1991,The promotion of Lesser-known Species and Plantation-grown species,Proceedings of the International Forest Products Workshop, 14 to 15,October, 1991, Nagoya University, Japan
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