Adjouaba (Dacryodes le testui)
Family: Burseraceae
Common names: Adjouaba, Assia, Igaganga, Mouguengueri, Mouvendo, Ossabel, Ozigo, Safoukala
Distributed in: Gabon (Africa)
Distribution overview: West Africa in the rain forests.
Common uses: Balusters, Bedroom suites, Building construction, Building materials, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Construction, Core Stock, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Factory flooring, Figured veneer, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Kitchen cabinets, Light construction, Living-room suites, Moldings, Office furniture, Parquet flooring, Pile-driver cushions, Piling, Plain veneer, Plywood, Pulp/Paper products, Pulpwood, Shipbuilding, Veneer
Product sources: The ITTO reports that the species is a regular source of timber for exportation.
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isRed, Yellowand the sapwoodWhite, Yellow.The grain isInterlocked, the textureMedium to coarseand the lusterOccaisonally lustrous
Natural durability: Susceptible to attack by marine borers and termites, Very durable
Odor: No specific smell or taste
Silica Content:
Dacryodes timbers usually contain silica in enough quantities to affect some machining properties
Silica Content
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Distortion, Splitting
Ease of Drying: Slowly
Blunting Effect: Moderate
Boring: Fairly easy to very easy
Carving: Fairly Easy to Very Easy
Cutting Resistance: Easy to saw
Gluing: Poor to Very Poor Results
Mortising: Fairly Easy to Very Easy
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Fairly Easy to Very Easy, Holds nails well
Planing: Very Good to Excellent
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Responds Readily
Routing recessing: Fairly Easy to Very Easy
Sanding: Very Good to Excellent Results
Veneering qualities: Suitable for peeling, Suitable for slicing
Screwing: Fairly Easy to Very Easy, Good screw holding properties; Turning: Very Good to Excellent Results
Polishing: Very Good to Excellent; Staining: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
|
0,56 |
|
Density |
|
721 |
kg/m3 |
Bending Strength |
|
1133 |
kg/cm2 |
Crushing Strength |
|
622 |
kg/cm2 |
Hardness |
|
|
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
|
kg/cm2 |
Stiffness |
|
124 |
1000 kg/cm2 |
Tangential Shrinkage |
7 |
|
% |
Radial Shrinkage |
6 |
|
% |
Weight |
|
|
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
311 |
cm-kg |
Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | | 16121 | psi | Density | | 45 | lbs/ft3 | Maximum Crushing Strength | | 8852 | psi | Stiffness | | 1774 | 1000 psi | Toughness | | 270 | inch-lbs | Specific Gravity | | 0.56 | | Radial Shrinkage | 6 | | % | Tangential Shrinkage | 7 | | % | Volumetric Shrinkage | 14 | | % | |
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.ITTO.1986.Tropical Timber Atlas, Volume 1 - Africa.International Tropical Timber Organization (ITTO) and Centre Technique Forestier Tropical (CTFT, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France.
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