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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 N12500
Bending StrengthN/mm2 133.0
StiffnessN/mm217000
Radial shrinkage %4
Tangential shrinkage %
7

Working Properties

StabilityxxBendingx
MachiningxxxScrewingxx
Gluingx Paintingx
Sandingxxx Staining x

xxxx = excellent
xxx = good

xx = fair
x = not good