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Blunting Effect
Boring
Carving
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Kiln Schedules
Luster
Mortising
Moulding
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Resistance to Splitting
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Strength Properties
Texture
Trade Name
Tree Identification
Tree Size
Turning
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Common Names
Buabua
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Fiji [Polynesia], Fiji
Common Uses
Agricultural implements, Beams, Boat building (general), Boat building, Boat building: framing, Building materials, Canoes, Decks, Domestic flooring, Factory construction, Factory flooring, Flooring, Flooring: industrial heavy traffic, Heavy construction, Interior construction, Interior trim, Joinery (external): ground contact, Joists, Lifeboats, Light construction, Marine construction, Mathematical instruments, Millwork, Mine timbers, Moldings, Paneling, Parquet flooring, Piling, Poles, Porch columns, Posts, Precision instruments, Railroad ties, Rough construction, Shipbuilding, Sporting Goods, Structural work, Studs, Sub-flooring, Trimming, Truck bodies, Vehicle parts, Wainscotting
Environmental Profile
| Status has not been officially assessed |
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Distribution Overview
Widely scattered throughout the Indo-Malayan region and the Pacific Islands.
Heartwood Color
| Brown |
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| Red |
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| Pink |
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| Yellow to golden-yellow to orange |
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| Brown |
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Sapwood Color
| Green/Grey |
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| White |
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| Paler than heartwood |
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| Sapwood is considered narrow |
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Grain
| Interlocked |
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| Straight |
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| Even |
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| Interlocked |
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| Generally straight, but not always |
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Texture
| Medium |
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| Fine to medium |
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| Medium |
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| Fine |
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Greasy feel
Luster
Natural Durability
| Perishable |
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| Non-durable |
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| Very durable |
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| Very durable |
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| Resistant to attack from powder post (Lyctid & Bostrychid) beetles |
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| Resistant to attack from termites (Isoptera) |
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| Pinworms (ambrosia beetles) may be present in the felled log |
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| Good weathering properties |
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| Durable |
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| Durable |
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Heartwood is resistant to termites but logs are vulnerable to attack by pinhole borers.
The material has good weathering properties.
Odor
| Has an odor |
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| No specific smell or taste |
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Kiln Schedules
Drying Defects
| Distortion |
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| Collapse |
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| Moderate surface checking |
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Ease of Drying
| Fairly Easy |
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| Medium to High Shrinkage |
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| Radial and tangential shrinkage from 1-2% |
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| Moderate |
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Tree Identification
| Bole/stem form is misshapen |
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| Bole/stem form is buttressed |
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Tree Size
Blunting Effect
| Blunting effect on machining is fairly severe |
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| Blunting effect on machining is moderate |
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Boring
| Fair to good results |
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| Fairly easy to very easy |
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| Easy |
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Surfaces of straight-grained material are generally clean if cutters are kept very sharp.
Carving
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Arving qualities are generally good, especially in straight-grained material.
Cutting Resistance
| Easy to saw |
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| Reported to be hard and dense |
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| Described as heavy |
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| Cutting Resistance with dry wood is difficult |
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Gluing
| Fair to Good Results |
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| Moderate gluing properties |
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| Fairly difficult to glue |
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Mortising
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Straight-Grain wood responds best |
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Moulding
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Yields clean surfaces |
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| Timber is reported as hard and heavy |
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| Requires very sharp cutting edges |
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Nailing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Holds nails well |
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Planing
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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The timber is hard and heavy, but it is reported to plane to yield relatively clean surfaces, except when interlocked grain is present.
Resistance to Impregnation
| Heartwood is extremely resistant |
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Resistance to Splitting
Response to Hand Tools
| Responds Readily |
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| Easy to Work |
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| Moderate working qualities |
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Utting edges may dull rather rapidly since the wood is hard and heavy.
Routing & Recessing
| Fairly Easy to Very Easy |
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| Material with interlocked grain requires sharp cutting edges |
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| Hard and heavy wood |
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| Good in both routing and recessing. |
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Sanding
| Fair to Good Results |
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| Contains alkaloids giving it good acid resistance |
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Green wood sands rather well
Turning
| Fair to Good Results |
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| Very Good to Excellent Results |
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| Yields clean surfaces |
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| Requires sharp cutters |
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| Easy to turn |
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Polishing
The wood has good polishing properties.
Strength Properties
| Max. crushing strength = high |
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| Bending strength (MOR) = high |
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| Shearing strength (parallel to grain) = high |
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| Density (dry weight) = 61< |
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| Shrinkage, Tangential = very small |
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| Shrinkage, Radial = very small |
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| Shrinkage, Tangential = small |
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| Density (dry weight) = 53-60 |
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| Bending strength (MOR) = medium |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 14328 | 19771 | psi |
| Crushing Strength | 2122 | 2445 | psi |
| Density | | 61 | lbs/ft3 |
| Hardness | | 2032 | lbs |
| Maximum Crushing Strength | 7755 | 10244 | psi |
| Shearing Strength | | 2670 | psi |
| Static Bending | 9477 | 10702 | psi |
| Stiffness | 2120 | 2432 | 1000 psi |
| Toughness | | 132 | inch-lbs |
| Weight | 60 | 49 | lbs/ft3 |
| Radial Shrinkage | 2 | | % |
| Tangential Shrinkage | 4 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 1007 | 1390 | kg/cm2 |
| Crushing Strength | 149 | 171 | kg/cm2 |
| Density | | 977 | kg/m3 |
| Hardness | | 921 | kg |
| Maximum Crushing Strength | 545 | 720 | kg/cm2 |
| Shearing Strength | | 187 | kg/cm2 |
| Static Bending | 666 | 752 | kg/cm2 |
| Stiffness | 149 | 170 | 1000 kg/cm2 |
| Toughness | | 152 | cm-kg |
| Weight | 961 | 785 | kg/m3 |
| Radial Shrinkage | 2 | | % |
References
Alston, A.S.,1966,Natural Heartwood Durability,Fiji Forestry Department, Suva. Fiji timbers and their uses No. 2
Alston, A.S.,1966,Powder Post Beetle Lyctus Species,Fiji Forestry Department, Suva. Fiji timbers and their uses No.6
Bolza, E., Kloot, N.H.,1972,The Mechanical Properties of 56 Fijian Timbers,Australia C.S.I.R.O. Division of Forest Products Technological Paper,No.,62
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.
Fiji Department of Forestry,1969,A Summary of the Properties of 34 Indigenous Timbers,Fiji Forestry Department, Suva. Fiji timbers and their uses No.38
Fiji Department of Forestry,1972,Guide to the use of local timbers,Fiji Forestry Department, Suva. Fiji timbers and their uses No.55
Fiji Forestry Department,1967,The Properties and Potential Uses of Buabua (Fagraea gracilipes) A Summary,of C.S.I.R.O. Investigations,Fiji Timbers and their Uses No. 14, Department of Forestry, Suva, Fiji
Fiji Forestry Department,1969,Timbers for Flooring A Note on Current & Potential Species,Fiji Timbers and their Uses No.36, Department of Forestry, Suva, Fiji
Fiji Forestry Department,1981,The Properties and Uses of 43 Indigenous and Exotic Timbers,Fiji Forestry Department, Fiji Timbers and their Uses No.71
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
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