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AlbiziaAlbizia
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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