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Padouk d`Afrique
Pterocarpus osun
LEGUMINOSAE
Osun (Nigeria); Paduk (Italy); Padauk (United Kingdom); Camwood (United Kingdom); Barwood (United Kingdom); African Padauk (United Kingdom); Padoek (Netherlands); Padauk (Germany); Afrikanisches Padouk (Germany); Corail (Belgium); N'gula (Zaire); Mukula (Zaire); Mongola (Zaire); Mbel (Gabon); Palo rojo (Equatorial Guinea); Kisésé (Congo); Mbel (Cameroon); Tacula (Angola)
The tree reaches a height of 32 to 43 m. The bole is cylindrical, with low buttresses, sometimes winding. The trunk diameter attains 70 to 130 cm, occasionally up to 170 cm. Log is banned for international trading.(Cameroon)
Pterocarpus osun is common in dense equatorial rain forests, often in small groups.
Central and tropical West Africa, from Nigeria to Cabinda.
Contains some resins or extracts which could pose problems when machining or finishing.
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma confluent. Axial parenchyma storied. Prismatic crystals in short chains in chambered axial parenchy Rays storied. Rays exclusively uniseriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Non-septate fibers. Fibers with simple to minutely bordered pits.
Unrestricted
The sapwood is whitish, it has a thickness of 10 to 20 cm. The heartwood is vivid red sometimes with dark veining, toning down on exposure, it is clearly demarcated.
3
Straight or slightly interlocked, sometimes with an influence on further processing operations.
The texture of the wood is frequently coarse.
Very durable to decay; without preservative treatment. This species is especially suited for all the uses with risks of permanent or long-lasting humidification. Resistant to termites attack. Heartwood is resistant to Lyctus attacks.
1
Moderately easy to treat with a partial penetration of the preservative products.
Ease of Drying: Difficult to dry.
FR-7
Sawing of this species requires powerful equipment.
Suitable for slicing.
Suitable for slicing.
Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.
It needs powerful tools for processing. Possible difficulties caused by interlocked grain are reported.
Moderately easy; tools must be cautiously sharpened.
Moderately easy; tools must be cautiously sharpened.
30
Moderately easy; tools must be cautiously sharpened.
Moderately easy; tools must be cautiously sharpened.
Pre-boring is necessary.
Difficult to glue because of the extracts content.
Easy to perform; it gives good results.
Needs pre-coating.
This species can be used for steam bending.
Working with hand tools is difficult.
HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boats, boat hulls, boat deck, port storage, OTHER AND MUSICAL INSTRUMENTS, handicrafts
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