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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
Luster
Mortising
Moulding
Nailing
Natural Durability
Natural Growth Defects
Numerical Data
Odor
Painting
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Screwing
Silica Content
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning
Varnishing
Veneering Qualities
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Synonyms
Detarium heudelotianum
Common Names
Abu leile, Agashindam, Aluki, Beligbele, Bodo, Boire, Boro, Boto, Boto-burureh, Bowisi, Bowiwasi, Butchanjack, Daba, Dankh, Datagh, Datarh, Dita, Ditah, Ditakh, Dole, Egba, Gboe, Gbolo, Gbor, Gbuyai, Goghoi, Gungoro, Hard mahogany, Ifa-inaki, Ka-kitan, Kadaga, Karkehi, Kolei, Konkehi, Kpagra, Kpay, Kpayliga, Kpe, Kpuyai, Kpwarag, Kukpukpa, Mahogany, Mambode, Ndooy, Nduigbii, Ofo, Ogbogbo, Ogwega, Okubaka, Pakpie, Pamugi, Papie, Parlega, Sarahonko, Taba, Takyikyiriwa, Talao, Tallo, Tallow tree, Talo, Tamba, Tambacoumba, Taura, Taurahurmi, Twetwiriwa, Ukhurohor, Uyo idiok, Zaklu
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Gambia, Guinea, Liberia, Nigeria, Sudan, Zaire
Common Uses
Boat building (general), Boxes and crates, Cabinetmaking, Canoes, Carvings, Flooring, Furniture, Heavy construction, Joinery, Light construction, Millwork, Mine timbers, Plywood, Poles, Posts, Turnery, Vehicle parts, Veneer
Environmental Profile
Heartwood Color
| Brown |
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| Pink |
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| Red |
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| Reddish brown |
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| Dark brown |
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Sapwood Color
| Yellow |
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| White |
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| White to yellow |
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| Clearly differentiated from the heartwood |
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| Pink/Red |
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| Different than heartwood |
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Grain
| Even |
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| Closed |
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| Straight |
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| Figure |
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| Wavy |
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| Distinct (figure) |
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| Straight |
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| Wavy |
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| Distinct figure |
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Texture
| Coarse |
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| Medium |
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| Fine to medium |
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| Medium |
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| Medium to coarse |
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| Coarse |
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Luster
Natural Growth Defects
Natural Durability
| Perishable |
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| Non-resistant to termites |
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| Resistant to attack from termites (Isoptera) |
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| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
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| Moderately durable |
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| Durable |
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| Susceptible to attack from termites (Isoptera) |
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| Very durable |
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| Resistant to attack from marine borers |
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| Moderately resistant to marine borer attack |
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Odor
Silica Content
Drying Defects
| Splitting |
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| Checking |
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| Moderate surface checking |
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| Moderate end spitting |
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Ease of Drying
| Fairly Easy |
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| Medium to High Shrinkage |
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| Thick Stock Requires Care |
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| Little degrade |
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| Easy |
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Tree Identification
| Bole/stem form is buttressed |
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| Bole/stem form is not buttressed |
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| Bole/stem form is misshapen |
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| Bole/stem form is straight |
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Tree Size
| Tree height is 40-50 m |
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| Trunk diameter is 100-150 cm |
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Comments
General finishing qualities are rated as good
Blunting Effect
Boring
| Fair to good results |
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| Fairly easy to very easy |
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Carving
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Cutting Resistance
| Easy to saw |
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| Cutting Resistance with green wood is easy |
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| Cutting Resistance with dry wood is moderate |
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| Cutting Resistance with dry wood is easy |
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| Cutting Resistance with dry wood is difficult |
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Gluing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Easy to glue |
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Mortising
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Moulding
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Nailing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Easy to nail |
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Planing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Planes well, to a good finish |
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| Easy to plane |
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Resistance to Impregnation
| Permeable sapwood |
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| Resistant sapwood |
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| Resistant heartwood |
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Response to Hand Tools
| Difficult to machine |
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| Easy to machine |
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Routing & Recessing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Sanding
| Very Good to Excellent Results |
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| Fairly Easy to Very Easy |
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| Fair to Good Results |
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Screwing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Turning
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Veneering Qualities
| Suitable for peeling |
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| Suitable for slicing |
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| Veneers moderately easy |
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| Veneers easily |
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Painting
Polishing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Varnishing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Poor turning properties |
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Strength Properties
| Density (dry weight) = 46-52 lbs/cu. ft. |
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| Bending strength (MOR) = medium |
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| Shrinkage, Tangenital =moderate |
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| Shrinkage, Radial = moderate |
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| Max. crushing strength = medium |
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| Shrinkage, Volumetric = fairly large |
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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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| Modulus of Elasticity (stiffness) = high |
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| Max. crushing strength = low |
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| Max. crushing strength = high |
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| Hardness (side grain) = soft |
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| Hardness (side grain) = medium |
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| Density (dry weight) =53-60 lbs/cu. ft. |
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| Bending strength (MOR) = low |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 8670 | 13570 | psi |
| Density | | 48 | lbs/ft3 |
| Hardness | | 1326 | lbs |
| Maximum Crushing Strength | 4218 | 6664 | psi |
| Stiffness | 2167 | 2494 | 1000 psi |
| Weight | 47 | 38 | lbs/ft3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 8 | | % |
| Volumetric Shrinkage | 13 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 609 | 954 | kg/cm2 |
| Density | | 769 | kg/m3 |
| Hardness | | 601 | kg |
| Maximum Crushing Strength | 296 | 468 | kg/cm2 |
| Stiffness | 152 | 175 | 1000 kg/cm2 |
| Weight | 753 | 608 | kg/m3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 8 | | % |
References
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
Cooper, G.P., Record, S.J.,1931,The Evergreen Forests of Liberia,Yale School Forestry Bulletin,31,pp1-153
Dalziel, J.M.,1937,The Useful Plants of West Tropical Africa,Crown Agents for the Colonies
Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry Department
France - C.T.F.T./C.T.B.,1982,Guide pour le Choix des Essences Deroulables-pour la fabrication du,contreplaque,C.T.F.T./C.T.B. France
Gotz, E.,1983,Timber trees of the Gambia,Stiftung Walderhaltung in Afrika and Bundesforschungsanstalt fur Forst-,und Holzwirtschaft
Irvine, F.R.,1961,Woody Plants of Ghana,O.U.P. London
Keay, R.W.J.,1964,Nigerian Trees Vol.2,Nigeria Federal Department of Forest Research, Ibadan
Kennedy, J.D.,1936,Forest Flora of Southern Nigeria,Government Printer Lagos
Kryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159
Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.T
Savill, P.S., Fox, J.E.D.,1967,Trees of Sierra Leone
Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7
Unwin, A.H.,1920,West African Forests and Forestry,T. Fisher Unwin Ltd. London
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