White beech (Gmelina leichardtii)
Family: Verbenaceae
Common names: Binburra, White beech
Distributed in: Australia, Papua New Guinea (Oceania and S.E. Asia)
Common uses: Bedroom suites, Boat building, Brush backs & handles, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Construction, Core Stock, Decorative plywood, Decorative veneer, Domestic flooring, Drawer sides, Excelsior, Factory construction, Factory flooring, Figured veneer, Flooring, Furniture , Heavy construction, Joinery, Kitchen cabinets, Lifeboats, Living-room suites, Mine timbers, Office furniture, Parquet flooring, Plain veneer, Plywood, Radio - stereo - TV cabinets, Shipbuilding, Structural plywood, Sub-flooring, Turnery, Utility plywood, Veneer
Product sources: Timber produced by at least two species in the genus Gmelina are marketed as White beech. They include G. leichardtii and G. fasciculiflora.
Environment profile: Status has not been officially assessed
Tree size: Tree height is 20-30 m
Colors: the heart isWhite, Yellowand the sapwoodWhite, Yellow.The grain isShallowly interlocked, the textureVery fineand the lusterMedium
Natural durability: Sapwood non-resistant to furniture beetles, Susceptible to insect attack
Odor: No specific smell or taste
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Discoloration, Splitting
Ease of Drying: Slowly
Carving: Fairly Easy to Very Easy
Cutting Resistance: Low cutting resistance
Gluing: Satisfactory gluing properties
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Easy to Work
Sanding: Easy to sand
Turning: Very Good to Excellent Results
Polishing: Very Good to Excellent; Staining: Fair to Good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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|
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Density |
|
528 |
kg/m3 |
Bending Strength |
484 |
744 |
kg/cm2 |
Crushing Strength |
|
48 |
kg/cm2 |
Hardness |
|
266 |
kg |
Impact Strength |
|
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cm |
Shearing Strength |
|
98 |
kg/cm2 |
Stiffness |
79 |
104 |
1000 kg/cm2 |
Tangential Shrinkage |
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|
% |
Radial Shrinkage |
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% |
Weight |
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kg/m3 |
Maximum Load |
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|
cm-kg/cm3 |
Toughness |
|
78 |
cm-kg |
Static Bending |
|
471 |
kg/cm2 |
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| | | | Item | Green | Dry | English | Bending Strength | 6889 | 10584 | psi | Crushing Strength | | 686 | psi | Density | | 33 | lbs/ft3 | Hardness | | 588 | lbs | Maximum Crushing Strength | 3626 | 6203 | psi | Shearing Strength | | 1401 | psi | Static Bending | | 6713 | psi | Stiffness | 1127 | 1480 | 1000 psi | Toughness | | 68 | inch-lbs | Weight | 32 | 26. | lbs/ft3 | |
Bolza, E. and N.H. Kloot.1963.The Mechanical Properties of 174 Australian Timbers.Division of Forest Products Technological Paper No. 25.Commonwealth Scientific and Industrial Research Organization, Melbourne, Australia.Cause, M.L, E.J. Rudder, and W.T. Knyaston. 1989. Queensland Timbers - Their Nomenclature, Density and Lyctid Susceptibility.Technical Pamphlet No. 2. Timber Research and Extension Branch, Department of Forestry, Queensland, Australia.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,1Kloot, N.H. and E. Bolza. 1961. Properties of Timbers Imported into Australia. Division of Forest Products Technological Paper No. 12. Commonwealth scientific and Industrial Research Organization, Melbourne, Australia.
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