
Albizia (Albizia zygia)
Family: Leguminosae
Common names: Albizia, Angoyen, Ayinreta, Bakbwe, Bortoyi, Bulala, Ehores, Jaranyo, Jarehi, Kababa, Kakpara, Kapun, Koli, Kouket, Kpule, Kulo, Kumbamba, Mduruasi, Mtanga, Mugavu, Munzania, Nongo, Ohuru, Okuro, Okuru, Oshanga, Ouochi, Pampena, Red nongo, Sakachi, Tshijimbu, Tshikumankassa, Tshikumbamkumba, Tshimbambabamba, Tumbum, Uwowe, West African albizzia, Wochi
Distributed in: Benin, Central African Republic, Gambia, Ghana, Guinea Bissau, Guinea, Ivory Coast, Liberia, Mali, Mozambique, Nigeria, Senegal, Sudan, Tanzania, Uganda (Africa)
Distribution overview: Various species in the Albizia genus occur throughout Africa. Trees growing in high forests are the main source of timber production, but the species is also common in secondary forests.
Common uses: Agricultural implements, Barge fenders, Beams, Bedroom suites, Boat building (general), Boat building, Boxes and crates, Building materials, Cabinetmaking, Canoes, Casks, Chairs, Chests, Decorative veneer, Desks, Dining-room furniture, Docks, Dockwork, Domestic flooring, Door, Dowell pins, Dowells, Drawer sides, Factory construction, Figured veneer, Fine furniture, Floor lamps, Flooring, Fuelwood, Furniture , Furniture components, Furniture squares or stock, Furniture, Harbor work, Hardboards, Hatracks, Interior construction, Interior trim, Joinery, Joists, Kitchen cabinets, Lifeboats, Light construction, Living-room suites, Marine construction, Matchboxes, Matches, Millwork, Particleboard, Plywood, Poles, Posts, Sporting Goods, Structural work, Tool handles, Turnery, Vehicle parts, Veneer: decorative
Environment profile: Status unknown in many of its growth areas
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isStriped figure, the textureMedium
Natural durability: Very durable, Very durable
Odor: No specific smell or taste
Kiln Schedules: UK=E US=T6D2/T3D Fr=5
Kiln Drying Rate: Naturally dries slowly
Ease of Drying: Slowly
Tree Identification: Bole/stem form is straight
Comments: General finishing qualities are rated as good
Blunting Effect: There is some significant blunting effect on cutting tools
Boring: Good (75+ pieces out of 100 will yield good to excellent results)
Carving: Fairly Easy to Very Easy
Cutting Resistance: Moderate to saw
Gluing: Very Good to Excellent Results
Mortising: Finishes well
Moulding: Good moulding properties
Movement in Service: Good moulding properties
Nailing: Pre-boring recommended, Tends to split during nailing
Planing: Works well with hand tools
Resistance to Impregnation: Sapwood is treatable
Response to hand tools: Responds well to hand tools
Routing recessing: Good in both routing and recessing.
Sanding: Satisfactory sanding results
Steam bending: Moderate
Screwing: Pre-boring recommended, Recommend pre-boring; Turning: Fairly Easy to Very Easy
Polishing: Satisfactory; Staining: Very Good to Excellent; Varnishing: Good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
 |
 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
|
0,52 |
|
Density |
|
608 |
kg/m3 |
Bending Strength |
566 |
877 |
kg/cm2 |
Crushing Strength |
304 |
503 |
kg/cm2 |
Hardness |
|
374 |
kg |
Impact Strength |
|
124 |
cm |
Shearing Strength |
|
115 |
kg/cm2 |
Stiffness |
92 |
107 |
1000 kg/cm2 |
Tangential Shrinkage |
7 |
|
% |
Radial Shrinkage |
3 |
|
% |
Weight |
624 |
448 |
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
|
cm-kg |
Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 8060 | 12478 | psi | Density | | 38 | lbs/ft3 | Hardness | | 825 | lbs | Impact Strength | | 49 | inches | Maximum Crushing Strength | 4333 | 7156 | psi | Shearing Strength | | 1646 | psi | Stiffness | 1310 | 1523 | 1000 psi | Specific Gravity | | 0.52 | | Weight | 39 | 28 | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 7 | | % | Volumetric Shrinkage | 8 | | % | |
Density (dry weight) = 31-37 lbs/cu. ft. Bending strength (MOR) = medium Max. crushing strength = medium Shrinkage, Tangential = moderate Modulus of Elasticity (stiffness) = low Shrinkage, Radial = very small Modulus of Elasticity (stiffness) = very low Hardness (side grain) = soft Bending strength (MOR) = low Shrinkage, Volumetric = small Shrinkage, Radial = small Max. crushing strength = high Shrinkage, Tangential = small Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Shearing strength (parallel to grain) = low Hardness (side grain) = very soft Density (dry weight) = 46-52 lbs/cu. ft. Density (dry weight) = 38-45 lbs/cu. ft.
Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35Bolza, 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.Cooper, G.P., Record, S.J.,1931,The Evergreen Forests of Liberia,Yale School Forestry Bulletin,31,pp1-153Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentFrance - 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. FranceGhana - Timber Marketing Board,1969,Ghana Hardwoods,Timber Marketing BoardGotz, E.,1983,Timber trees of the Gambia,Stiftung Walderhaltung in Afrika and Bundesforschungsanstalt fur Forst-,und HolzwirtschaftHMSO. 1981. Handbook of Hardwoods, 2nd Edition. revised by R.H. Farmer. Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.Hughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished dataIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonJay, B.A.,1968,Timbers of West Africa,TRADA, Red Booklet SeriesKeay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.Kinloch, D., Miller, W.A.,1949,Gold Coast Timbers,Govt. Printer Gold CoastKryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159Lebacq, L., Dechamps, R.,1967,Contribution a un Inventaire de Forets du Nord-kasai,Musee Royal de L'Afrique Centrale Belgium Annals Series 8 No.5Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.Sallenave, P.,1964,Proprietes Physiques et Mecaniques des Bois Tropicaux (Premier Supplement,C.T.F.T. Publ.,no.23Spalt, H.A., Stern, W.L.,1956,Survey of African woods 1,Tropical Woods,115(105,pp 13-38Tack, C.H.,1953,A note on the mechanical properties of Chrysophyllum albidum and Albizzia,zygia from Uganda,Uganda Forestry Department Technical Note,No1/53Tack, C.H.,1969,Uganda Timbers,Govt. Printer UgandaTakahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Uganda Forest Department,1954,Albizzia,Uganda Forestry Department Timber Leaflet,No.18Uganda Forest Department,1954,The Mechanical Properties of some Ugandan Timbers,Uganda Forest Department Timber Leaflet,No.1WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.
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