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Blunting Effect
Boring
Carving
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Mortising
Moulding
Nailing
Natural Durability
Natural Growth Defects
Numerical Data
Planing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Screwing
Silica Content
Strength Properties
Texture
Trade Name
Tree Identification
Tree Size
Turning
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Common Names
Brisbane box, Brush box, Pink box, Scrub box, Tristania, White box
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Australia, Hawaii [US], Madagascar
Common Uses
Agricultural implements, Bearings & bushings, Boat building (general), Boat building: decking, Boat building: framing, Boxes and crates, Decks, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Handles: general, Handles: woodworking tools, Heavy construction, Joinery, Ladders, Mine timbers, Plywood, Posts, Railroad ties, Sporting Goods, Textile equipment, Turnery, Vehicle parts, Wharf construction
Environmental Profile
Heartwood Color
| Brown |
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| Red |
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| Greenish to greyish |
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| Brown |
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| Pale red to pink |
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| Reddish brown |
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Sapwood Color
Grain
| Interlocked |
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| Weak (figure) |
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| Figure |
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| Wavy |
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| Closed |
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| Interlocked |
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| Weak figure |
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| Wavy |
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Texture
| Coarse |
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| Fine |
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| Fine to medium |
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Luster
Natural Growth Defects
| Brittleheart is often frequent and extensive |
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Natural Durability
| Resistant to termites |
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| Moderately resistant to termite (Isoptera) attack |
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| Moderately resistant to marine borer attack |
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| Moderately durable |
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| Resistant to attack from termites (Isoptera) |
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| Resistant to attack from powder post (Lyctid & Bostrychid) beetles |
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| Non durable |
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| Durable |
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Silica Content
Kiln Schedules
| UK=C US=T3C2/T3C1 Fr=3 |
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| Kiln Drying Rate (in days) is rather slow |
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Drying Defects
| Distortion |
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| Moderate collapse and honeycombing |
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| Severe twisting/warping |
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| Moderate twist/warp |
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| Moderate surface checking |
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| Severe surface checking |
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Ease of Drying
| Thick Stock Requires Care |
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| Medium to High Shrinkage |
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| Moderately Difficult to Difficult |
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| Easy |
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| Difficult |
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Kiln Drying Rate
| Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm) |
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Tree Identification
| Bole/stem form is straight |
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| Bole/stem form is buttressed |
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Tree Size
Comments
General finishing qualities are rated as good
Blunting Effect
| High to severe |
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| Blunting effect on machining is severe |
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Boring
| Fairly difficult to very difficult |
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Carving
| Fairly Difficult to Very Difficult |
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Cutting Resistance
| Fairly Difficult to Very Difficult to saw |
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| Cutting Resistance with green wood is easy |
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| Cutting Resistance with dry wood is easy |
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Gluing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Mortising
| Fairly Difficult to Very Difficult |
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Moulding
| Fairly Difficult to Very Difficult |
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Nailing
| Pre-Boring Recommended |
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| Fair to Good Results |
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| Fairly Difficult to Very Difficult |
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| Difficult to nail |
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| Possible if prebored |
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Planing
| Fairly Difficult to Very Difficult |
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| Planes well, to a good finish |
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| Easy to plane |
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Resistance to Impregnation
| Resistant sapwood |
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| Resistant heartwood |
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| Permeable heartwood |
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| Heartwood is extremely resistant |
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| Sapwood is permeable |
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Response to Hand Tools
| Responds Poorly |
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| Moderate working qualities |
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| Easy to machine |
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| Difficult to machine |
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Routing & Recessing
| Fairly Difficult to Very Difficult |
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Sanding
Screwing
| Screwing yields good results |
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| Easy to screw |
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Turning
| Fairly Difficult to Very Difficult |
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| Poor to Very Poor Results |
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Strength Properties
| Density (dry weight) = 53-60 lbs/cu. ft |
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| Modulus of Elasticity (stiffness) = low |
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| Max. crushing strength = high |
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| Shrinkage, Tangential = large |
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| Shrinkage, Tangential = fairly large |
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| Shrinkage, Radial = large |
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| Shrinkage, Radial = fairly large |
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| Hardness (side grain) = very hard |
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| Hardness (side grain) = hard |
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| Density (dry weight) = 46-52 lbs/cu. ft. |
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| Bending strength (MOR) = high |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Radial = moderate |
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| Shearing strength (parallel to grain) = very high |
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| Shearing strength (parallel to grain) = low |
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| Modulus of Elasticity (stiffness) = medium |
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| Max. crushing strength = medium |
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| Density (dry weight) = 61-67 lbs/cu. ft |
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| Bending strength (MOR) = medium |
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| Bending strength (MOR) = low |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 10643 | 16517 | psi |
| Density | | 54 | lbs/ft3 |
| Hardness | | 2628 | lbs |
| Maximum Crushing Strength | 6153 | 9058 | psi |
| Shearing Strength | | 2373 | psi |
| Stiffness | 1435 | 1656 | 1000 psi |
| Weight | 53 | 43 | lbs/ft3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 9 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 748 | 1161 | kg/cm2 |
| Density | | 865 | kg/m3 |
| Hardness | | 1192 | kg |
| Maximum Crushing Strength | 432 | 636 | kg/cm2 |
| Shearing Strength | | 166 | kg/cm2 |
| Stiffness | 100 | 116 | 1000 kg/cm2 |
| Weight | 849 | 689 | kg/m3 |
| Radial Shrinkage | 5 | | % |
References
Australia - Forestry and Timber Bureau,1957,Forest Trees of Australia,Australia Interior Department, Forestry and Timber Bureau
Boas, I.H.,1947,The Commercial Timbers of Australia - Their Properties and Uses,Council for Scientific and Industrial Research, Melbourne
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building Research
Bolza, E., Kloot, N.H.,1963,The Mechanical Properties of 174 Australian Timbers,C.S.I.R.O. Division of Forest Products Technological Paper,No.25
Brown, W.H.,1978,Timbers of the World, No. 8 Australasia,TRADA, Red Booklet Series
Cause, M.L., Et al,1974,The Nomenclature, Density and Lyctus - Susceptibility of Queensland,Timbers,Queensland Forestry Department Pamphlet 13
Cox, H.A.,1939,A Handbook of Empire Timbers,Forest Products Research Laboratory, Princes Risborough
Farmer, R.H.,1972,Handbook of Hardwoods,HMSO
Francis, W.D.,1951,Australian Rain-forest Trees,Commonwealth of Australia - Forestry and Timber Bureau
Gay, F.J., Et al,1955,Standard laboratory colonies of termites for evaluating the resistance of,timber, timber preservatives and other materials to termite attack.,C.S.I.R.O., Australia Bulletin,No.277
Hall, N., Et al,1970,Forest Trees of Australia,Australian Government Publishing Service, Canberra
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
Kingston, R.S.T., Risdon, C.J.E.,1961,Shrinkage and Density of Australian and other South-West Pacific Woods,C.S.I.R.O. Division of Forest Products Technological Paper No.13
Kloot, N.H., Bolza, E.,1961,Properties of Timbers Imported into Australia,C.S.I.R.O. Forest Products Division Technological Paper,No.12
Rendle, B.J.,1969,World Timbers (3 Vols.,Ernest Benn Ltd. London
Skolmen, R.G.,1974,Some woods of Hawaii, properties and uses of 16 commercial species,U.S.A. Department of Agriculture, Forest Service, Pacific Southwest Forest,and Range Experiment Station, General Technical Report PSW_8
Streets, R.J.,1962,Exotic Forest Trees in the British Commonwealth,Clarendon Press Oxford
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