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Afina (Strombosia pustulata)
Family: Olacaceae Common names: Affina, Afina, Atako, Efenka, Flanga, Fognian, Itako, Mbeza, Munyankono, Myole polie, Omenam, Otingbo, Patabua, Pue, Ubelu, Wha-la-koh, Zen nieh, Zen-nieh Distributed in: Benin, Cameroon, Equatorial Guinea, Gabon, Ghana, Ivory Coast, Liberia, Nigeria, Togo (Africa) Distribution overview: The genus Strombosia occurs throughout the tropical regions of the Old World. The growth range of S. pustulata in Africa extends from Senegal to Zaire, and is located in the rain forests. Common uses: Boat building (general), Boat building: decking, Bridge construction, Broom handles, Building construction, Building materials, Cabin construction, Carvings, Construction, Crossties, Decks, Excelsior, Factory construction, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Fuelwood, Handles, Handles: general, Heavy construction, Joinery, Ladders, Mine timbers, Pile-driver cushions, Piling, Poles, Posts, Railroad ties, Shade rollers, Shafts/Handles, Shipbuilding, Tool handles, Toys, Turnery, Utility poles, Vehicle parts Environment profile: Very little or no threat to its survival in the near future Tree size: Tree height is 30-40 m
Colors: the heart isWhite to cream, Yellow to golden-yellow to orangeand the sapwoodYellow, Yellow.The grain isStraight, the textureMediumand the lusterMedium
Natural durability: Weathering properties are excellent , Well suited for exterior applications Odor: No specific smell or taste
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Moderate surface checking, Splitting Ease of Drying: Slowly Tree Identification: Bole/stem form is straight Comments: General finishing qualities are rated as good Blunting Effect: High to severe
Boring: Fairly easy with ordinary tools Carving: Good results
Cutting Resistance: Fairly Difficult to Very Difficult to saw Mortising: Mortises fairly cleanly with machine tools
Moulding: Moulding is fairly easy
Movement in Service: Moulding is fairly easy
Nailing: Fairly Difficult to Very Difficult, Pre-Boring Recommended Planing: Planes well, to a good finish Resistance to Impregnation: Treatable with creosote after air-seasoning for 4-6 weeks Response to hand tools: Fairly good response to preservative treatment Routing recessing: Routing characteristics are generally good
Sanding: Very Good to Excellent Results Veneering qualities: Suitable for peeling, Suitable for slicing Steam bending: Fair to Good Results
Screwing: Pre-boring recommended
; Turning: Very Good to Excellent Results
Polishing: Very Good to Excellent; Staining: Poor to Very Poor;
Density (dry weight) = 61-67 lbs/cu. ft. Density (dry weight) = 53-60 lbs/cu. ft. Shrinkage, Radial = large Bending strength (MOR) = very high Bending strength (MOR) = high Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Density (dry weight) = 46-52 lbs/cu. ft. Shrinkage, Radial = fairly large Modulus of Elasticity (stiffness) = very high Modulus of Elasticity (stiffness) = high Max. crushing strength = high Hardness (side grain) = very hard Hardness (side grain) = hard Compression strength (parallel to grain) = medium Bending strength (MOR) = medium Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchCooper, G.P., Record, S.J.,1931,The Evergreen Forests of Liberia,Yale School Forestry Bulletin,31,pp1-153Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentForest Products Research Laboratory, U.K.,1954,Hardwoods for Industrial Flooring,Forest Products Research Laboratory, Princes Risborough, Leaflet, No.48Forests Products Research Laboratory, U.K.,1956,A Handbook of Hardwoods,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research EstablishmentJay, B.A.,1968,Timbers of West Africa,TRADA, Red Booklet SeriesKeay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.Keay, R.W.J.,1964,Nigerian Trees Vol.2,Nigeria Federal Department of Forest Research, IbadanKennedy, J.D.,1936,Forest Flora of Southern Nigeria,Government Printer LagosKinloch, D., Miller, W.A.,1949,Gold Coast Timbers,Govt. Printer Gold CoastPieters, A.,1977,Essences Forestieres du Zaire,R.U.G. Gent BelguimSallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSavill, P.S., Fox, J.E.D.,1967,Trees of Sierra LeoneTaylor, C.J.,1960,Synecology and Silviculture in Ghana,University College of Ghana Thomas Nelson and SonsTimber Development Association,1948,Some New Timbers and Their Uses No. 34,Timber Development Association Limited, London [TRADA] |
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