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Blunting Effect
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Schedules
Luster
Nailing
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Strength Properties
Texture
Trade Name
Tree Identification
Tree Size
Veneering Qualities
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Common Names
Aniegre, Aningeria, Aningre, Chepkatet, Kipkoibet, Kipworbet, Luloindet, Lulyo, Muna, Mutunguru, Ngechebet, Njebbe, Nychebbe, Seite
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Kenya, Zimbabwe
Common Uses
Boat building (general), Boat building: decking, Boat building: planking, Boxes and crates, Brush backs & handles, Cabinetmaking, Furniture, Joinery, Light construction, Moldings, Piling, Plywood, Pulp/Paper products, Vehicle parts, Veneer, Veneer: decorative
Heartwood Color
| Red |
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| Brown |
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| Green/grey |
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| Yellow |
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| Orange |
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| Pale brown |
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| Light red |
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| Greenish to greyish |
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| Yellow to golden-yellow to orange |
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Sapwood Color
| White |
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| Yellow |
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| Red |
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| Color not distinct from heartwood |
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| White to yellow |
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Grain
| Wavy |
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| Straight |
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| Figure |
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| Closed |
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| Even |
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| Other (figure) |
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| Growth rings (figure) |
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| Wavy |
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| Generally straight, but not always |
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| Other figure |
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| Clear growth rings (figure) |
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Mottled
Texture
| Medium |
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| Fine |
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| Coarse |
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| Medium |
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| Medium to coarse |
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| Fine to medium |
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Luster
Natural Durability
| Perishable |
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| Moderately durable |
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| Susceptible to insect attack |
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| Non-durable |
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| Non-resistant to powder post beetles |
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| Non-resistant to termites |
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| Non-resistant to marine borers |
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| Moderately durable |
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| Susceptible to wood staining fungal attack |
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| Susceptible to marine borer attack |
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| Susceptible to attack from termites (Isoptera) |
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| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
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| Pinworms (ambrosia beetles) are commonly present |
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| Perishable |
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| Non durable |
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Kiln Schedules
Ease of Drying
Tree Identification
| Bole/stem form is buttressed |
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| Bole/stem form is fluted |
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| Bole/stem form is cylindrical |
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| Bole/stem form is straight |
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Tree Size
| Bole length is 20-30 m |
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| Tree height is 40-50 m |
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| Tree height is 30-40 m |
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| Tree height is 50-60 m |
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| Trunk diameter is 100-150 cm |
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Blunting Effect
| High to severe |
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| Blunting effect on machining is severe |
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Cutting Resistance
| Fairly Difficult to Very Difficult to saw |
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| Easy to saw |
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| Cutting Resistance with green wood is difficult |
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| Cutting Resistance with dry wood is difficult |
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| Cutting resistance is variable |
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Gluing
| Fairly Easy to Very Easy |
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| Easy to glue |
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Nailing
| Fairly Easy to Very Easy |
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| Easy to nail |
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Planing
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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| Planes well, to a good finish |
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| Easy to plane |
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Resistance to Impregnation
| Permeable heartwood |
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| Permeable sapwood |
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| Heartwood is permeable |
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Response to Hand Tools
| Easy to Work |
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| Easy to machine |
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Veneering Qualities
| Suitable for peeling |
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| Veneers moderately easy |
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| Difficult to veneer |
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| Veneers easily |
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| Suitable for slicing |
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| No drying degrade |
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| Streaming required during bolt preparation |
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| Good gluing qualities |
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| There is slight to moderate drying degrade and the potential for buckles and splits |
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| Suitable for peeling |
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| No drying degrade. Dries flat without splitting |
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| Moderately easy to veneer |
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Polishing
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Good results |
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Strength Properties
| Density (dry weight) = 31-37 lbs/cu. ft. |
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| Max. crushing strength = medium |
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| Bending strength (MOR) = low |
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| Shrinkage, Tangential = very small |
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| Shrinkage, Radial = very small |
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| Density (dry weight) = 23-30 lbs/cu. ft. |
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| Shrinkage, Tangential = small |
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| Modulus of Elasticity (stiffness) = very low |
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| Hardness (side grain) = very soft |
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| Hardness (side grain) = soft |
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| Density (dry weight) = 38-45 lbs/cu. ft. |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 6111 | 9589 | psi |
| Density | | 31 | lbs/ft3 |
| Hardness | | 657 | lbs |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Shearing Strength | | 1221 | psi |
| Stiffness | 1017 | 1199 | 1000 psi |
| Weight | 30 | 25 | lbs/ft3 |
| Radial Shrinkage | 2 | | % |
| Tangential Shrinkage | 5 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 429 | 674 | kg/cm2 |
| Density | | 496 | kg/m3 |
| Hardness | | 298 | kg |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Shearing Strength | | 85 | kg/cm2 |
| Stiffness | 71 | 84 | 1000 kg/cm2 |
| Weight | 480 | 400 | kg/m3 |
| Radial Shrinkage | 2 | | % |
References
Bengough, C.C.,1971,Commercial Timbers of Kenya,Ministry of Natural Resources Forest Department, Kenya
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
Dale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards London
Farmer, R.H.,1972,Handbook of Hardwoods,HMSO
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
Palgrave, K.C.,1977,Trees of Southern Africa,Cape Town South Africa
Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23
Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
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