Greenheart/Okan
Botanical Name
Cylicodiscus gabunensis
Other Names
Denya
Origin
West Africa
Sapwood Colour
Light pinkish to red turning grayish after sunlight exposure
Heartwood Colour
Yellow to gold-brown when green turning reddish to dark brown upon sunlight exposure
Grain
Very irregular and interlocked
Texture
Moderate uniform
Common Uses
Heavy construction, railroad ties, flooring
Physical Properties at MC 12%
| Density | kg/m3 | 950 |
| Specific gravity | – | 0.85 |
| Hardness | N | 12500 |
| Bending Strength | N/mm2 | 133.0 |
| Stiffness | N/mm2 | 17000 |
| Radial shrinkage | % | 4 |
| Tangential shrinkage | % | 7 |
Working Properties
| Stability | xx | Bending | x |
| Machining | xxx | Screwing | xx |
| Gluing | x | Painting | x |
| Sanding | xxx | Staining | x |
xxxx = excellent
xxx = good
xx = fair
x = not good