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Blunting Effect
Boring
Carving
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
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
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Screwing
Silica Content
Steam Bending
Strength Properties
Synonyms
Texture
Toxicity
Trade Name
Tree Identification
Tree Size
Turning
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Synonyms
Daniellia kleinei
Common Names
Bisse, Bisseye, Bolengue, Daniella, Faro, Gbessi, Lonlaviol, N'dola, N'su, Ogea, Olengue, Olingue, Oziya, Singa
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Congo, Gabon
Common Uses
Agricultural implements, Boat building (general), Boxes and crates, Concrete formwork, Flooring, Furniture, Joinery, Light construction, Particleboard, Plywood, Pulp/Paper products, Turnery, Vats
Heartwood Color
| Black |
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| Brown |
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| Red |
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| Pink |
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| Pale red to pink |
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| Greenish to greyish |
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Sapwood Color
| White |
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| Yellow |
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| White to yellow |
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Grain
| Figure |
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| Interlocked |
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| Distinct (figure) |
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| Interlocked |
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| Distinct figure |
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Texture
| Fine |
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| Medium |
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| Medium to coarse |
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| Coarse |
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Luster
Natural Durability
| Very durable |
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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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| Non durable |
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| Susceptible to marine borer attack |
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| Pinworms (ambrosia beetles) are commonly present |
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| Perishable |
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Odor
Silica Content
Toxicity
Kiln Schedules
Drying Defects
| Slight collapse and honeycomb |
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Ease of Drying
Kiln Drying Rate
Tree Identification
| Bole/stem form is not buttressed |
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Tree Size
Comments
General finishing qualities are rated as good
Blunting Effect
Boring
| Fairly difficult to very difficult |
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Carving
| Fairly Difficult to Very Difficult |
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Cutting Resistance
| Fairly Difficult to Very Difficult to saw |
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| Cutting Resistance with dry wood is easy |
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Gluing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Fairly Difficult to Very Difficult |
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| Easy to glue |
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Mortising
| Fairly Difficult to Very Difficult |
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Moulding
| Fairly Difficult to Very Difficult |
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Movement in Service
| Fair to Good Stability - Medium Movement |
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Nailing
| Pre-Boring Recommended |
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| Fair to Good Results |
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| Fairly Difficult to Very Difficult |
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| Easy to nail |
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Planing
| Fairly Difficult to Very Difficult |
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| Planes well, to a good finish |
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| Easy to plane |
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Resistance to Impregnation
| Resistant sapwood |
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| Resistant heartwood |
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| Sapwood is resistant |
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| Sapwood is moderately resistant |
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Response to Hand Tools
| Fairly Difficult to Difficult to Work |
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| Easy to machine |
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Routing & Recessing
| Fairly Difficult to Very Difficult |
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Sanding
| Very Good to Excellent Results |
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Screwing
| Pre-boring recommended |
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| Fair to Good Results |
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| Fairly Difficult to Very Difficult |
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| Fairly Easy to Very Easy |
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Turning
| Fairly Difficult to Very Difficult |
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Steam Bending
Polishing
| Fair to Good Results |
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| Very Good to Excellent Results |
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Strength Properties
| Bending strength (MOR) = medium |
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| Bending strength (MOR) = low |
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| Max. crushing strength = medium |
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| Max. crushing strength = low |
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| Density (dry weight) = 31-37 lbs/cu. ft. |
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| Shrinkage, Volumetric = large |
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| Shrinkage, Volumetric = fairly large |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Tangential = large |
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| Shrinkage, Tangential = fairly large |
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| Shrinkage, Radial = moderate |
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| Shrinkage, Radial = large |
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| Shrinkage, Radial = fairly large |
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| Hardness (side grain) = very soft |
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| Hardness (side grain) = soft |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 7711 | 12078 | psi |
| Density | | 32 | lbs/ft3 |
| Hardness | | 657 | lbs |
| Maximum Crushing Strength | 3027 | 5157 | psi |
| Weight | 31 | 25 | lbs/ft3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 8 | | % |
| Volumetric Shrinkage | 14 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 542 | 849 | kg/cm2 |
| Density | | 512 | kg/m3 |
| Hardness | | 298 | kg |
| Maximum Crushing Strength | 212 | 362 | kg/cm2 |
| Weight | 496 | 400 | kg/m3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 8 | | % |
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
Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry Department
Meniaud, J., Bretonnet, F.,1926,Les Bois Coloniaux d'Afrique dans l'Industrie,Publ. de l'Agence Gen. des Colonies
Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.T
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. 7
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