Gordonia (Gordonia papuana)
Family: Theaceae
Common names: Gordonia, Mail
Distributed in: Papua New Guinea, Solomon Islands (Oceania and S.E. Asia)
Common uses: Brush backs & handles, Flooring, Furniture, Heavy construction, Light construction
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isReddish brown, Yellowand the sapwoodPinkish
.The grain isWeak (figure), the textureMedium
Natural durability: Straight, Susceptible to insect attack
Kiln Drying Rate: Slow
Drying Defects: Distortion, Splitting
Ease of Drying: Slowly
Tree Identification: Bole/stem form is buttressed
Boring: Fairly easy to very easy
Cutting Resistance: Easy to saw
Gluing: Fairly Easy to Very Easy
Mortising: Very Good to Excellent
Moulding: Very Good to Excellent
Movement in Service: Very Good to Excellent
Nailing: Fairly Difficult to Very Difficult, Fairly Easy to Very Easy
Planing: Very Good to Excellent
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Easy to Work
Turning: Very Good to Excellent Results
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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|
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| Density |
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641 |
kg/m3 |
| Bending Strength |
|
|
kg/cm2 |
| Crushing Strength |
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|
kg/cm2 |
| Hardness |
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|
kg |
| Impact Strength |
|
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cm |
| Shearing Strength |
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|
kg/cm2 |
| Stiffness |
|
|
1000 kg/cm2 |
| Tangential Shrinkage |
|
|
% |
| Radial Shrinkage |
3 |
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% |
| Weight |
624 |
496 |
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 | | Density | | 40 | lbs/ft3 | | Weight | 39 | 31 | lbs/ft3 | | Radial Shrinkage | 3 | | % | | Tangential Shrinkage | 6 | | % | |
Shrinkage, Tangential = small Shrinkage, Tangential = moderate Shrinkage, Radial = small Shrinkage, Radial = moderate Density (dry weight) = 38-45 lbs/cu. ft.
Eddowes, P.J.,1977,Commercial Timbers of Papua New Guinea: Their Properties and Uses,Hebano Press, Port Moresby, Papua New GuineaKraemer, J.H.,1951,Trees of the Western Pacific Region,West Lafayette, Indiana U.S.A.
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