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Banga wanga
Banga wanga (Amblygonocarpus andongensis)

Family: Leguminosae

Common names: Banga wanga, Bangawanga, Mecuria, Metindire, Mjerigwe, Mubaimbai, Mubayibayi, Mululwe, Munjoujota, Munyenye, Mutiria, Muwaka, Muyu, Scotsmans rattle, Umnonjwana

Distributed in: Angola, Benin, Botswana, Ghana, Malawi, Mozambique, Nigeria, Sudan, Tanzania, Togo, Uganda, Zambia, Zimbabwe (Africa)

Common uses: Agricultural implements, Boat building (general), Carvings, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Furniture, Heavy construction, Joinery, Light construction, Poles, Railroad ties, Sporting Goods, Turnery, Vats, Vehicle parts, Veneer: decorative

Product sources: The timber is commercially available on the South-western pacific region market, but it appears to be traded in rather small quantities on a world-wide basis. A limited amount of White cheesewood has been salvaged from the Fairchild Tropical Gardens in Florida after the 1993 hurricane 'Andrew' destruction.White cheesewood is often sold in mixed consignments with another very similar species in the Alstonia genus, A. spatulata . The timber has been formerly used for boxes to ship bulk tea from Sri-lanka.

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Reddish brownand the sapwoodWhite to yellow, Yellow.The grain isWeak figure, the textureMediumand the lusterMedium

Natural durability: Very durable, Very durable

Kiln Schedules: Uk=B US=T2C2/T2C1 Fr=2

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Checking, Moderate surface checking

Ease of Drying: Slowly

Tree Identification: Bole/stem form is not buttressed

Blunting Effect: High to severe

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Gluing: Fairly Easy to Very Easy

Nailing: Pre-Boring Recommended, Pre-boring recommended

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood has low permeability

Response to hand tools: Variable qualities


Polishing: Very Good to Excellent; Varnishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 977 kg/m3
Bending Strength 804 1248 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 1333 kg
Impact Strength cm
Shearing Strength 177 kg/cm2
Stiffness 134 155 1000 kg/cm2
Tangential Shrinkage 4 %
Radial Shrinkage 3 %
Weight 961 801 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 11442 17761 psi
Density 61 lbs/ft3
Hardness 2940 lbs
Maximum Crushing Strength 6899 9945 psi
Shearing Strength 2525 psi
Stiffness 1916 2208 1000 psi
Weight 60 50 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 4 %
Volumetric Shrinkage 6 %

Density (dry Weight) = >50 lbs/cu. ft
Shrinkage, Tangential = very small
Shrinkage, Radial = small
Shrinkage, Radial = very small
Max. crushing strength = high
Shrinkage, Volumetric = small
Shrinkage, Tangential = small
Shearing strength (parallel to grain) = medium
Shearing strength (parallel to grain) = high
Modulus of Elasticity = moderate
Hardness (side grain) = Hard
Bending strength (MOR) = medium
Bending strength (MOR) = high

Banks, C.H. and J.P. Schoeman. 1963. Railway Sleeper and Crossing Timbers. Bulletin No. 41, Republic of South Africa. The Government Printer, Pretoria, South Africa.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 ResearchBryce, J.M.,1967,Commercial Timbers of Tanzania,Tanzanian Forestry Division Util. Sec. MoshiDalziel, J.M.,1937,The Useful Plants of West Tropical Africa,Crown Agents for the ColoniesEggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaFanshawe, D.B.,1962,Fifty Common Trees of Northern Rhodesia,Natural Resources Board and Forestry Department, NdolaFarmer, R.H.,1972,Handbook of Hardwoods,HMSOFerreirinha, M.P.,1955,Catalogo des Madeiras de Mocambique (pt 1,Min. do Ultramar Junta Invest. do Ultranar Memorias Serie Botanica, 2Ferreirinha, M.P.,1956,Madeiras do Ultramar Portugues,Garcia de Orta Revista da Junta Missoes Geog...,4(1,pp95-6Forest Products Research Laboratory, U.K.,1954,Hardwoods for Industrial Flooring,Forest Products Research Laboratory, Princes Risborough, Leaflet, No.48Fortin, Y., Poliquin, J.,1976,Natural Durability and Preservation of 100 Tropical African Woods,International Development Research Centre, CanadaFrance - C.T.F.T.,1962,Banga-Wanga,C.T.F.T.,Information Technique,No.167Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9Irvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonMurira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Pardy, A.A.,1954,Notes on Indigenous Trees and Shrubs of S. Rhodesia - Androstachys,johnsonii (Prain,Ministry of Agriculture and Lands S. Rhodesia Bulletin,No.1751Pardy, A.A.,1956,Notes on Indigenous Trees and Shrubs of S. Rhodesia,Ministry of Agriculture and Lands S. Rhodesia Bulletin,No.1897Storrs, A.E.G.,1979,Know your Trees - Some of the Common Trees found in Zambia,Zambia Forestry Department, NdolaTanzania Forest Department,1960,The Natural Durability of Local Timbers,Tanzanian Forest Dept. Tech. Note,No.14Tanzania Forest Department,1966,Flooring Timbers,Tanzania Forest Div. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1967,The Weights and Shrinkage of some Local Timbers,Tanzania Forest Div. Util. Sect. Technical Note,No.25White, F.,1962,Forest Flora of Northern Rhodesia,O.U.P. LondonZambia Forest Department,1979,Timbers of Zambia Adina microcephala and Amblygonocarpus andongensis,Zambia Forest Department, Division of Forest Products Research, Timbers of,Zambia Technical Note no.5/79
*Come interpretare i dati (manleva su eventuali imprecisioni)