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Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Family Name
Gluing
Grain
Heartwood Color
Kiln Schedules
Nailing
Natural Durability
Numerical Data
Planing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sapwood Color
Scientific Name
Screwing
Staining
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning
Veneering Qualities
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Synonyms
Ackama muelleri
Common Names
Brown alder, Corkwood, Pencil cedar, Rose alder, Rose-leaf marara, Sugar bark
Regions of Distribution
North America, Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Australia, United States
Common Uses
Boxes and crates, Brush backs & handles, Cabinetmaking, Flooring, Flooring: industrial heavy traffic, Furniture, Heavy construction, Joinery, Light construction, Millwork, Paneling, Plywood, Plywood: veneer (marine), Turnery, Veneer: decorative
Heartwood Color
| Red |
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| Brown |
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| Pink |
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| Pale red to pink |
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| Reddish brown |
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| Dark brown |
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| Brown |
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Sapwood Color
Grain
| Straight |
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| Even |
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| Weak (figure) |
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| Figure |
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| Interlocked |
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| Straight |
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| Weak figure |
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| Interlocked |
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Texture
Natural Durability
| Perishable |
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| Non-durable |
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| Susceptible to insect attack |
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| Non-resistant to termites |
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| Non-resistant to marine borers |
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| Non-resistant to powder post beetles |
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| Non durable |
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| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
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| Heartwood is fairly resistant to termites and other insects |
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Kiln Schedules
Drying Defects
| Moderate twist/warp |
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| Slight surface checking |
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| No surface checking |
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| Moderate collapse and honeycombing |
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Tree Identification
| Bole/stem form is buttressed |
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Tree Size
| Tree height is 10-20 m |
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| Tree height is 20-30 m |
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| Tree height is 0-10 m |
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| Tree height is 30-40 m |
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| Trunk diameter is 100-150 cm |
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Comments
General finishing qualities are rated as good
Cutting Resistance
| Cutting Resistance with dry wood is easy |
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Gluing
Nailing
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Holds nails well |
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| Easy to nail |
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Planing
Resistance to Impregnation
| Sapwood is permeable |
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| Heartwood is extremely resistant |
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Response to Hand Tools
| Easy to machine |
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| Moderate working qualities |
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Routing & Recessing
Screwing
| Very Good to Excellent Results |
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| Fair to Good Results |
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Turning
Veneering Qualities
| Suitable for peeling |
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| Veneers moderately easy |
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| Difficult to veneer |
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| Veneers easily |
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| Suitable for slicing |
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| There is slight to moderate drying degrade and the potential for buckles and splits |
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| No drying degrade. Dries flat without splitting |
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| Moderately easy to veneer |
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Staining
| Finish is generally satisfactory |
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Strength Properties
| Density (dry weight) = 31-37 lbs/cu. ft. |
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| Modulus of Elasticity (stiffness) = low |
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| Max. crushing strength = medium |
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| Density (dry weight) = 38-45 lbs/cu. ft. |
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| Bending strength (MOR) = low |
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| Shrinkage, Tangential = large |
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| Shrinkage, Tangential = fairly large |
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| Shrinkage, Radial = moderate |
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| Shrinkage, Radial = large |
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| Shrinkage, Radial = fairly large |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 6111 | 9589 | psi |
| Density | | 34 | lbs/ft3 |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Stiffness | 1358 | 1568 | 1000 psi |
| Weight | 33 | 26 | lbs/ft3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 9 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 429 | 674 | kg/cm2 |
| Density | | 544 | kg/m3 |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Stiffness | 95 | 110 | 1000 kg/cm2 |
| Weight | 528 | 416 | kg/m3 |
| Radial Shrinkage | 5 | | % |
References
Anderson, R.H.,1947,The Trees of New South Wales,New South Wales Department of Agriculture
Australia - N.S.W. Forestry Commission,1968,Working Properties of some Native and Imported Timbers,Forestry Commission of New South Wales, Technical Publication No.8
Australia - N.S.W. Forestry Commission,1988,Furniture Timbers of New South Wales,Forest Commission, N.S.W., Aust. Tech. Publication No.1
Boas, I.H.,1947,The Commercial Timbers of Australia - Their Properties and Uses,Council for Scientific and Industrial Research, Melbourne
Bootle, K.R.,1971,The Commercial Timbers of New South Wales and their use,Angus & Robertson (publishers) PTY Ltd
Forestry Commission of New South Wales,1987,Timbers used in New South Wales for Domestic Buildings,Forestry Commission of New South Wales, Technical Publication No.6
Francis, W.D.,1951,Australian Rain-forest Trees,Commonwealth of Australia - Forestry and Timber Bureau
I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer Cutting
The Australian Timber Journal & Building Products, Merchandiser,1969,Timber Durability and Preservation,Supplement to Australian Timber Journal 35(4) Tech. Timb. Guide No.8
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