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Okan_wood.jpg

Okan

Okan

Durability:
Very durable - class 1
Strength class:
D50
Applications:

Thanks to its durability, Okan wood is used in all kind of hydraulic constructions, like bridges, decking’s, sheet pilings, jetties, sound barriers, stables and piles.

Mass volume:
1000-1200 kg/m3. At 12% moisture level 850-950 kg/m3.
Colour:
Freshly sawn Okan wood has a yellow to golden yellow colour, with (dark) green/olive green shade. After exposure, the wood darkens to red brown, often with a coppery glow.
Details:
As a result of the dark colored edges, the growth rings of Okan can be clearly seen on the crosscut surface. The 50-75 mm thick sapwood is light pink and is easy to distinguish. The unpleasant smell of Okan disappears after drying.
Grain:
The wood structure is interlocked.
Texture:
The texture is medium coarse.
Drying:
Okan wood dries very slowly, with risks of cracking.
Machining:
As a result of the high density, Okan hardwood is not easy to machine. Furthermore, the wood causes a blunting effect of the tools. It dries very slowly, with risks of cracking.
Screwing/nailing:
Pre-drilling is necessary.
Finishing surface:
The gluing is difficult, and finishing is possible.
Botanical name:
Cylicodiscus gabunensis
Origin area:
Topical West Africa
Other names:
Edoum, Denya
Remarks:
The tree has a straight and cylindrical trunk and reaches up to 40 – 50 m with a diameter till about 1.5 m (max 3 m).
Family:
Leguminosae (Mimoseae)