Clicking
any heading in the main data area (at right) will scroll the page back
to this top position.
Use the following links to
jump to the associated section in the main data.
Blunting Effect
Boring
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Schedules
Luster
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Strength Properties
Texture
Toxicity
Trade Name
Tree Identification
Turning
| |
Common Names
Amuutu, Ifurufuru, Mehunduzi, Mfirifiri, Mfurufuru, Mpululu, Mshunduzi, Mukuruguru, Mulangu, Mulemgu, Mulugu, Murangala, Musine, Musogasoga, Mutsutsu, Mutundu, Mutundu-nigura, Mutuntu, Muyemberera, Negeul, Tebesuet, Toboswa, Yalula
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Cameroon, Congo, Kenya, Tanzania, Uganda
Common Uses
Boxes and crates, Cabinetmaking, Flooring, Furniture, Joinery, Light construction, Matches, Particleboard, Plywood, Posts, Veneer: decorative
Heartwood Color
| Brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| Pink |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| White to cream |
|
|
|
|
|
|
|
|
|
|
|
|
| Greenish to greyish |
|
|
|
|
|
|
|
|
|
|
|
|
| Yellow to golden-yellow to orange |
|
|
|
|
|
|
|
|
|
|
|
|
Sapwood Color
Grain
| Straight |
|
|
|
|
|
|
|
|
|
|
|
|
| Closed |
|
|
|
|
|
|
|
|
|
|
|
|
| Even |
|
|
|
|
|
|
|
|
|
|
|
|
| Wavy |
|
|
|
|
|
|
|
|
|
|
|
|
Texture
| Fine |
|
|
|
|
|
|
|
|
|
|
|
|
| Even or uniform |
|
|
|
|
|
|
|
|
|
|
|
|
| Uniform |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Coarse |
|
|
|
|
|
|
|
|
|
|
|
|
| Medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Medium to coarse |
|
|
|
|
|
|
|
|
|
|
|
|
| Fine |
|
|
|
|
|
|
|
|
|
|
|
|
| Fine to medium |
|
|
|
|
|
|
|
|
|
|
|
|
Luster
Natural Durability
| Very durable |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Perishable |
|
|
|
|
|
|
|
|
|
|
|
|
| Sapwood is susceptible to wood staining fungal attack |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to attack from termites (Isoptera) |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
|
|
|
|
|
|
|
|
|
|
|
|
| Non durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to marine borer attack |
|
|
|
|
|
|
|
|
|
|
|
|
Odor
Toxicity
Kiln Schedules
Drying Defects
| Moderate end spitting |
|
|
|
|
|
|
|
|
|
|
|
|
| Severe twisting/warping |
|
|
|
|
|
|
|
|
|
|
|
|
| Severe surface checking |
|
|
|
|
|
|
|
|
|
|
|
|
Ease of Drying
| Reconditioning Treatement |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Easy |
|
|
|
|
|
|
|
|
|
|
|
|
Tree Identification
| Bole/stem form is straight |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole/stem form is not buttressed |
|
|
|
|
|
|
|
|
|
|
|
|
Blunting Effect
Boring
| Poor to very poor results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly easy to very easy |
|
|
|
|
|
|
|
|
|
|
|
|
Cutting Resistance
| Cutting Resistance with green wood is easy |
|
|
|
|
|
|
|
|
|
|
|
|
| Cutting Resistance with dry wood is easy |
|
|
|
|
|
|
|
|
|
|
|
|
Gluing
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Easy to glue |
|
|
|
|
|
|
|
|
|
|
|
|
Mortising
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
Moulding
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
Movement in Service
| Fair to Good Stability - Medium Movement |
|
|
|
|
|
|
|
|
|
|
|
|
| Excellent Stability - Small Movement |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Large |
|
|
|
|
|
|
|
|
|
|
|
|
Nailing
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Easy to nail |
|
|
|
|
|
|
|
|
|
|
|
|
Planing
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Easy to plane |
|
|
|
|
|
|
|
|
|
|
|
|
| Planes to a poor finish |
|
|
|
|
|
|
|
|
|
|
|
|
| Planes well, to a good finish |
|
|
|
|
|
|
|
|
|
|
|
|
| Planes to a satisfactory finish |
|
|
|
|
|
|
|
|
|
|
|
|
Resistance to Impregnation
| Heartwood is permeable |
|
|
|
|
|
|
|
|
|
|
|
|
| Sapwood is permeable |
|
|
|
|
|
|
|
|
|
|
|
|
| Heartwood is resistant |
|
|
|
|
|
|
|
|
|
|
|
|
Response to Hand Tools
| Responds Readily |
|
|
|
|
|
|
|
|
|
|
|
|
| Easy to Work |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Difficult to Difficult to Work |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Easy to machine |
|
|
|
|
|
|
|
|
|
|
|
|
Screwing
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
Turning
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
Steam Bending
| Poor to Very Poor Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fairly Difficult to Very Difficult |
|
|
|
|
|
|
|
|
|
|
|
|
Polishing
Staining
Strength Properties
| Density (dry weight) = 31-37 lbs/cu. ft. |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Tangential = very small |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Radial = very small |
|
|
|
|
|
|
|
|
|
|
|
|
| Shearing strength (parallel to grain) = low |
|
|
|
|
|
|
|
|
|
|
|
|
| Modulus of Elasticity (stiffness) = low |
|
|
|
|
|
|
|
|
|
|
|
|
| Max. crushing strength = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = low |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Tangential = small |
|
|
|
|
|
|
|
|
|
|
|
|
| Density (dry weight) = 38-45 lbs/cu. ft. |
|
|
|
|
|
|
|
|
|
|
|
|
| Density (dry weight) = 23-30 lbs/cu. ft. |
|
|
|
|
|
|
|
|
|
|
|
|
Numerical Data
| Item | Green | Dry | English |
| | | |
| Bending Strength | 6111 | 9589 | psi |
| Density | | 32 | lbs/ft3 |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Shearing Strength | | 1560 | psi |
| Stiffness | 1358 | 1568 | 1000 psi |
| Weight | 31 | 25 | lbs/ft3 |
| Radial Shrinkage | 2 | | % |
| Tangential Shrinkage | 5 | | % |
| | | |
| Item | Green | Dry | Metric |
| | | |
| Bending Strength | 429 | 674 | kg/cm2 |
| Density | | 512 | kg/m3 |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Shearing Strength | | 109 | kg/cm2 |
| Stiffness | 95 | 110 | 1000 kg/cm2 |
| Weight | 496 | 400 | kg/m3 |
| Radial Shrinkage | 2 | | % |
References
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building Research
Bryce, J.M.,1967,Commercial Timbers of Tanzania,Tanzanian Forestry Division Util. Sec. Moshi
Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe Uganda
France - 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. France
Irvine, F.R.,1961,Woody Plants of Ghana,O.U.P. London
Keay, R.W.J., et al,1960,Nigerian Trees Vol.1,Nigeria Federal Department of Forest Research, Ibadan
McCoy-Hill, M.,1955,Timbers of Tanganyika - Mulugu and Mkaraka,Timber Technology,63(2187, p20
Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23
Tanzania Forest Division,1966,Croton macrostachys (Mutundu,Tanzania Forest Div. Util. Sec. Moshi - Timbers of Tanganyika
United Kingdom - H.M.S.O.,1954,Report of the Matchwood Working Party,H.M.S.O. for the Board of Trade and Ministry of Materials
Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
|
|
Search
the web for anything relating to wood and forest products.
|
|
Search
the web for anything relating to wood and forest products.
|
|
