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Blunting Effect
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Luster
Movement in Service
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Sapwood Color
Scientific Name
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Turning
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Synonyms
Elaeodendron buchananii, Elaeodendron fresianum, Elaeodendron keniense
Common Names
Cassine, Enkanda, Mutanga, Mutanya, Mutimweru, Saonet, Sawanet, Sunwa
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Kenya, Madagascar, South Africa, Uganda
Common Uses
Boat building (general), Door, Flooring, Flooring: industrial heavy traffic, Furniture, Handles: general, Heavy construction, Joinery, Ladders, Mine timbers, Piling, Plywood, Sporting Goods, Toys, Turnery
Heartwood Color
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| Brown |
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| Red |
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| Pink |
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| Green/grey |
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| Pale brown |
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| Reddish brown |
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Sapwood Color
| Red |
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| Brown |
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| White |
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| White to yellow |
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| Well defined |
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Grain
| Even |
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| Closed |
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| Figure |
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| Straight |
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| Wavy |
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| Growth rings (figure) |
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| Wavy |
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| Straight |
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| Clear growth rings (figure) |
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Texture
| Coarse |
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| Medium |
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| Fine |
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| Fine to medium |
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Luster
Natural Durability
| Perishable |
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| Non-durable |
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| Non-resistant to termites |
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| Susceptible to insect attack |
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| Moderately durable |
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| Resistant to attack from powder post (Lyctid & Bostrychid) beetles |
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Drying Defects
| Splitting |
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| Checking |
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| Moderate surface checking |
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Ease of Drying
Kiln Drying Rate
Tree Identification
| Bole/stem form is misshapen |
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Comments
General finishing qualities are rated as satisfactory
Blunting Effect
Cutting Resistance
| Cutting Resistance with green wood is moderate |
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Movement in Service
| Excellent Stability - Small Movement |
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| Stable |
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Planing
| Planes well, to a good finish |
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| Planes to a satisfactory finish |
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Resistance to Impregnation
| Permeable sapwood |
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| Permeable heartwood |
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| Sapwood is moderately resistant |
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| Heartwood is extremely resistant |
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Turning
Polishing
Strength Properties
| Density (dry weight) = 46-52 lbs/cu. ft. |
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| Max. crushing strength = high |
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| Density (dry weight) = 53-60 lbs/cu. ft |
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| Modulus of Elasticity (stiffness) = medium |
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| Shrinkage, Tangential = very small |
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| Shrinkage, Tangential = small |
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| Shrinkage, Radial = very small |
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| Shearing strength (parallel to grain) = medium |
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| Shearing strength (parallel to grain) = high |
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| Bending strength (MOR) = medium |
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| Bending strength (MOR) = high |
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| Work to Maximum Load = medium |
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| Toughness-Hammer drop (Impact Strength) = medium |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Tangential = large |
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| Shrinkage, Radial = small |
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| Shrinkage, Radial = moderate |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 11442 | 17761 | psi |
| Density | | 50 | lbs/ft3 |
| Maximum Crushing Strength | 6899 | 9945 | psi |
| Shearing Strength | | 2525 | psi |
| Stiffness | 1665 | 1923 | 1000 psi |
| Toughness | | 250 | inch-lbs |
| Work to Maximum Load | 12 | 17 | inch-lbs/in3 |
| Weight | 49 | 39 | lbs/ft3 |
| Radial Shrinkage | 3 | | % |
| Tangential Shrinkage | 6 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 804 | 1248 | kg/cm2 |
| Density | | 801 | kg/m3 |
| Maximum Crushing Strength | 485 | 699 | kg/cm2 |
| Shearing Strength | | 177 | kg/cm2 |
| Stiffness | 117 | 135 | 1000 kg/cm2 |
| Toughness | | 288 | cm-kg |
| Work to Maximum Load | 0.84 | 1.19 | cm-kg/cm3 |
| Weight | 785 | 624 | kg/m3 |
| Radial Shrinkage | 3 | | % |
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
Dale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards London
Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe Uganda
Lavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)
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
Thomas, A.V.,1954,Malayan Timbers - Bintangor, geronggang, terentang,Malayan Forest Service Trade Leaflet,no.12
Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
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