Ghost Gum (Eucalyptus papuana)
Family: Myrtaceae
Common names: Blackbutt, Ghost Gum, Western Australian Blackbutt
Distributed in: Australia, Indonesia, Papua New Guinea (Oceania and S.E. Asia)
Common uses: Barrels, Boxes and crates, Building construction, Building materials, Cabin construction, Casks, Chemical containers, Construction, Crossties, Domestic flooring, Factory construction, Factory flooring, Flooring, Fuelwood, Heavy construction, Interior construction, Mine timbers, Packing cases, Parquet flooring, Pile-driver cushions, Piling, Poles, Railroad ties, Stairrails, Stairworks, Stringers, Sub-flooring, Utility poles
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 200-250 cm
Colors: the heart isRed, Reddish brownand the sapwoodWhite, Yellow.The grain isWavy, the textureUniform
Natural durability: Resistant to termites, Susceptible to insect attack
Odor: No specific smell or taste
Kiln Drying Rate: Naturally dries at a moderate speed
Drying Defects: Checking, Moderate surface checking
Ease of Drying: Slowly
Comments: Yeilds honey that is sticky and safe for livestock
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: Surface Preparation
Mortising: Fairly Easy to Very Easy
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Holds nails well, Very Good to Excellent
Planing: Response to hand and machine tools is fairly good
Resistance to Abrasion: Moderate
Resistance to Impregnation: Sapwood is treatable
Response to hand tools: Responds well to hand tools
Routing recessing: Fairly Easy to Very Easy
Screwing: Fair to Good Results
; Turning: Fairly Easy to Very Easy
Polishing: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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Density |
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kg/m3 |
Bending Strength |
740 |
1061 |
kg/cm2 |
Crushing Strength |
406 |
636 |
kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
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150 |
kg/cm2 |
Stiffness |
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|
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 |
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cm-kg |
Static Bending |
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kg/cm2 |
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 |  |  |  | Item | Green | Dry | English | Bending Strength | 10535 | 15092 | psi | Maximum Crushing Strength | 5777 | 9055 | psi | Shearing Strength | | 2136 | psi | Stiffness | 1700 | 1916 | 1000 psi | |
Bolza, E., Kloot, N. H. 1963. The Mechanical Properties of 174 Australian Timbers. Technological Paper No. 25. Division of Forest Products, Center for Scientific and Industrial Organization (CSIRO, Melbourne, AustraliaKeating, 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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