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Ekaba
Tetraberlinia bifoliolata Haum.
LEGUMINOSAE
Hoh (Liberia); Ekop (Guinea-Bissau); Ekaba (Spain); Eko-andoung (France); Akaba (Spain); Tetraberlinia (United Kingdom); Ekop (Netherlands); Ekop (Germany); Eko-andoung (Gabon); Ekop (Equatorial Guinea); Ekop-Ribi (Cameroon); Gola (Liberia); Sikoh (Liberia); Ekaba
Julbernardia bifoliolata (Harms) Troupin; Berlinia bifoliolata Harms
The tree reaches a height of 50 to 50 m. The bole is cylindrical, straight, sometimes with a swollen or fluted base. The trunk diameter attains 100 to 230 cm.
Tetraberlinia bifoliolata occurs in mixed forests or in small clusters.
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 150 to 200 micras (medium). Vestured pits. Vessels per mm2 6 to 10 (medium). Simple perforation plates. Vessel-ray pits similar to intervessel pits i Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. Rays more than 10 per mm (abundant). Rays and/or axial elements irregularly storied. Rays 1 to 2 seriate. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Non-septate fibers. Fibers with simple to minutely bordered pits.
Unrestricted
The sapwood is pale pink, it has a thickness of 2 to 5 cm. The heartwood is copper rose, it is not clearly demarcated. The silver figure is fine (barely visible).
5
Straight or sometimes interlocked. Usually interlocked grain is absent or very slight, without any effect on further processing operations.
The texture of this species is reported to vary from medium to coarse.
Luster is reported to be low.
Moderately durable to decay. Without preservative treatment, this species can be used only under risk of occasional re-humidification. It is not suited for uses with risks of permanent or long-lasting humidification. Sensible to termites attack. The heart
3
Residual growth stresses are absent.
Moderately easy to treat with a partial penetration of the preservative products.
0.52
0.57
7.2
4.1
Ease of Drying: Drying is rather slow and sometimes difficult to perform. Drying Defects: No particular risks of drying defects, subject to normal drying conditions. Kiln Schedules: The kiln schedule has been tested.
FR-4
1.8
887
131028
510
64
67
396
500
It is easy to saw.
Suitable for peeling if treated.
Suitable for peeling if treated.
Slight blunting effect; ordinary tools can be used for sawing and machining.
Machining of this species is reportedly easy.
Easy; no particular problems.
Moderately easy; tools must be cautiously sharpened.
30
Moderately easy; tools must be cautiously sharpened.
Moderately easy; tools must be cautiously sharpened.
No particular problem.
Glues well if basic gluing technical rules are followed.
Easy to perform; it gives good results.
Needs pre-coating.
No particular problems.
HOUSING GENERAL, beams, joists, boards, frames, steps, panelling, fittings, shutter boards, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, faces, cores, TURNING, ornaments, turned furniture, cutlery, lasts, PACKING, heavy packing, pallets, OTHER AND MUSICAL INSTRUMENTS, handicrafts, door core, coffin, moldings
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