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Kakunze (Trilepisium madagascariense)

Family: Moraceae

Common names: Kakunze, Kalanda, Katomatoma, Lubelagaiyi, Lubelakaya, Mbaki bakie, Mbalakaya, Mkballakaya, Mlandege, Mlanyuni, Mmle, Mugwi, Mukobakoba, Mukunze, Mulamba, Munyabweya, Mupelenge, Nsabi, Okuri, Omukumbwe, Pakye pakyee

Distributed in: Congo, Ghana, Kenya, Nigeria, Uganda, Zaire, Zimbabwe (Africa)

Common uses: Agricultural implements, Boxes and crates, Cabinetmaking, Carvings, Fuelwood, Furniture, Joinery, Light construction, Matches, Millwork, Model airplanes, Particleboard, Plywood corestock, Plywood, Pulp/Paper products, Sporting Goods, Tool handles, Turnery, Veneer: decorative

Tree size: Tree height is 10-20 m

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isGrowth rings (figure), the textureMedium to coarseand the lusterMedium

Natural durability: Susceptible to attack from termites (Isoptera), Susceptible to insect attack

Kiln Schedules: UK=J US=T10D5S/T8D4S Fr=4

Drying Defects: Slight end splitting, Slight surface checking

Ease of Drying: Easy

Tree Identification: Bole/stem form is straight

Cutting Resistance: Moderate to saw

Gluing: Easy to glue

Nailing: Easy to nail, Fairly Easy to Very Easy

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood is permeable

Resistance to Splitting: Poor

Response to hand tools: Easy to machine

Screwing: Difficult to screw, Fairly Difficult to Very Difficult; Turning: Poor results

Painting: Satisfactory; Polishing: Good; Varnishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 576 kg/m3
Bending Strength 729 1136 kg/cm2
Crushing Strength 287 460 kg/cm2
Hardness 363 kg
Impact Strength 68 cm
Shearing Strength 85 kg/cm2
Stiffness 113 131 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 4 %
Weight 560 448 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 10376 16163 psi
Density 36 lbs/ft3
Hardness 801 lbs
Impact Strength 27 inches
Maximum Crushing Strength 4089 6549 psi
Shearing Strength 1221 psi
Stiffness 1616 1872 1000 psi
Weight 35 28 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 8 %

Max. crushing strength = medium
Hardness (side grain) = soft
Density (dry weight) = 31-37 lbs/cu. ft.
Bending strength (MOR) = medium
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Shearing strength (parallel to grain) = very low
Shearing strength (parallel to grain) = low
Hardness (side grain) = very soft
Toughness-Hammer drop (Impact Strength) = very low
Toughness-Hammer drop (Impact Strength) = medium
Toughness-Hammer drop (Impact Strength) = low
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Tangential = large
Shrinkage, Radial = small
Shrinkage, Radial = moderate
Shrinkage, Radial = large
Modulus of Elasticity (stiffness) = very low
Modulus of Elasticity (stiffness) = medium
Modulus of Elasticity (stiffness) = high
Max. crushing strength = low
Max. crushing strength = high
Density (dry weight) = 46-52 lbs/cu. ft.
Density (dry weight) = 38-45 lbs/cu. ft.
Bending strength (MOR) = high

Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchForest Products Research Laboratory, Nigeria,1965,Nigerian Timbers for Matchmaking,Nigeria Fed. Department of Forest Research, Ibadan, Forest Products,Research Laboratory Report No.5Fouarge, J., Gerard, G.,1964,Bois du Mayumbe,I.N.E.A.C. BelguimFrance - 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. FranceGoldsmith, 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. LondonLebacq, L., Dechamps, R.,1967,Contribution a un Inventaire de Forets du Nord-kasai,Musee Royal de L'Afrique Centrale Belgium Annals Series 8 No.5Logan, W.E.M.,1946,An Introduction to the Forests of Central and Southern Ethiopia,Imperial Forestry Institute, Oxford Paper No.24Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23Pieters, A.,1977,Essences Forestieres du Zaire,R.U.G. Gent BelguimTack, C.H.,1969,Uganda Timbers,Govt. Printer UgandaUganda Forest Department,1954,The Mechanical Properties of some Ugandan Timbers,Uganda Forest Department Timber Leaflet,No.1United Kingdom - H.M.S.O.,1954,Report of the Matchwood Working Party,H.M.S.O. for the Board of Trade and Ministry of MaterialsWimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
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