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Ditta 5
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Ditta 1
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Buabua
Buabua (Fagraea gracilipes)

Family: Potaliaceae

Common names: Buabua

Distributed in: Fiji [Polynesia], Fiji (Oceania and S.E. Asia)

Distribution overview: Widely scattered throughout the Indo-Malayan region and the Pacific Islands.

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

Environment profile: Status has not been officially assessed

Tree size: Tree height is 30-40 m

Colors: the heart isRed, Yellow to golden-yellow to orangeand the sapwoodSapwood is considered narrow , White.The grain isStraight, the textureMediumand the lusterLustrous

Natural durability: Very durable, Very durable

Odor: No specific smell or taste

Kiln Schedules: Dry at a slow speed

Drying Defects: Distortion, Moderate surface checking

Ease of Drying: Radial and tangential shrinkage from 1-2%

Tree Identification: Bole/stem form is misshapen

Blunting Effect: Blunting effect on machining is moderate

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Reported to be hard and dense

Gluing: Moderate gluing properties

Mortising: Straight-Grain wood responds best

Moulding: Yields clean surfaces

Movement in Service: Yields clean surfaces

Nailing: Fairly Easy to Very Easy, Holds nails well

Planing: Fairly Easy to Very Easy

Resistance to Impregnation: Heartwood is extremely resistant

Resistance to Splitting: Poor

Response to hand tools: Responds Readily

Routing recessing: Material with interlocked grain requires sharp cutting edges

Sanding: Fair to Good Results

Turning: Yields clean surfaces

Polishing: Fair to Good The wood has good polishing properties.;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 977 kg/m3
Bending Strength 1007 1390 kg/cm2
Crushing Strength 149 171 kg/cm2
Hardness 921 kg
Impact Strength cm
Shearing Strength 187 kg/cm2
Stiffness 149 170 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 2 %
Weight 961 785 kg/m3
Maximum Load cm-kg/cm3
Toughness 152 cm-kg
Static Bending 666 752 kg/cm2
Item Green Dry English
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 %

Max. crushing strength = high 1
Bending strength (MOR) = high 0
Shearing strength (parallel to grain) = high
Density (dry weight) = 61<
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Shrinkage, Tangential = small
Density (dry weight) = 53-60
Bending strength (MOR) = medium

Alston, A.S.,1966,Natural Heartwood Durability,Fiji Forestry Department, Suva. Fiji timbers and their uses No. 2Alston, A.S.,1966,Powder Post Beetle Lyctus Species,Fiji Forestry Department, Suva. Fiji timbers and their uses No.6Bolza, 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.,62Chudnoff, 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.38Fiji Department of Forestry,1972,Guide to the use of local timbers,Fiji Forestry Department, Suva. Fiji timbers and their uses No.55Fiji 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, FijiFiji Forestry Department,1969,Timbers for Flooring A Note on Current & Potential Species,Fiji Timbers and their Uses No.36, Department of Forestry, Suva, FijiFiji Forestry Department,1981,The Properties and Uses of 43 Indigenous and Exotic Timbers,Fiji Forestry Department, Fiji Timbers and their Uses No.71Keating, 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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