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Albizia
Albizia (Albizia versicolor)

Family: Leguminosae

Common names: Albizia, Grootblaarvalsdoring, Masaka, Mchani-ndovu, Mduruasi, Mkindwanzagamba, Mkingu, Msazawi, Msenjele, Msungwi, Mtanga, Mtsani-ndovu, Mububa, Mulungu, Musase, Musasengoma, Nongo, Poison pod albizia, Tanga-tanga, Umvangazi, Umvanghaas

Distributed in: Kenya, Mozambique, South Africa, Tanzania, Uganda, Zambia, Zimbabwe (Africa)

Distribution overview: Widely distributed throughout tropical Africa; mostly trees of the high forest are exploited, but also common in secondary forests.

Common uses: Boat building (general), Boat building: framing, Cabinetmaking, Flooring, Furniture, Joinery, Musical instruments: percussion, Particleboard, Piling, Plywood, Veneer, Veneer: decorative

Tree size: Tree height is 20-30 m

Colors: the heart isPurple, Redand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureCoarse

Natural durability: Susceptible to marine borer attack, Susceptible to wood staining fungal attack

Kiln Schedules: Uk=F US=T6D4/T3D3 Fr=6

Kiln Drying Rate: Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm)

Drying Defects: No twisting or warping, Slight twist/warp

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Blunting Effect: Little

Cutting Resistance: Easy to saw

Gluing: Fairly Easy to Very Easy

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Nails hold poorly, Poor to Very Poor

Planing: Planes to a satisfactory finish

Resistance to Impregnation: Sapwood is permeable

Resistance to Splitting: Poor

Response to hand tools: Easy to machine

Steam bending: Poor to Very Poor Results



  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 592 kg/m3
Bending Strength 461 724 kg/cm2
Crushing Strength 335 521 kg/cm2
Hardness 451 kg
Impact Strength cm
Shearing Strength 139 kg/cm2
Stiffness 89 104 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 2 %
Weight 576 464 kg/m3
Maximum Load 0,35 0,49 cm-kg/cm3
Toughness 109 cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 6568 10300 psi
Density 37 lbs/ft3
Hardness 995 lbs
Maximum Crushing Strength 4769 7411 psi
Shearing Strength 1989 psi
Stiffness 1276 1488 1000 psi
Toughness 95 inch-lbs
Work to Maximum Load 5 7 inch-lbs/in3
Weight 36 29 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %

Bending strength (MOR) = low
Density (dry weight) = 31-37 lbs/cu. ft.
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Modulus of Elasticity (stiffness) = very low
Density (dry weight) = 38-45 lbs/cu. ft.
Hardness (side grain) = soft
Toughness (total work) = very low
Density (dry weight) = 46-52 lbs/cu. ft.
Bending strength (MOR) = medium

Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchDale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards LondonEggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaMurira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Palgrave, K.C.,1977,Trees of Southern Africa,Cape Town South AfricaScott, M.H.,1935,Weights of South African Growth Timbers,South African Department of Agriculture and Forestry Bulletin,No.145,Forest Products Institute, Forestry Series No.1Scott, M.H.,1950,Notes on the more Important African Timbers Imported into the Union with,Special Ref. to Port. E.A. Species,Journal of the South African Forestry Association,No.19,pp18-62,[South,African Forestry Journal]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. 7Tanzania Forest Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. MoshiTanzania Forestry Department,1966,Timbers of Tanganyika - Adina microcephala (mgwina, mdogowe,Tanzanian Forestry Department Utilisation Section, Moshi - Timbers of,TanganyikaTanzania Forestry Department,1966,Timbers of Tanganyika - Albizia versicolor (mtanga,Tanzania Forestry Department Utilisation Section MoshiZambia Forest Department,1979,Timbers of Zambia Albizia adianthifolia and Albizia versicolor,Zambia Forest Department, Division of Forest Products Research Timbers of,Zambia - Technical Note no.3/79
*Come interpretare i dati (manleva su eventuali imprecisioni)