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| TRADE NAME |
: |
OKOUME |
| SCIENTIFIC NAME |
: |
Aucoumea klaineana Pierre |
| FAMILY |
: |
Burseraceae |
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| REGIONAL DISTRIBUTION |
: |
Central Africa
Equat. Guinea : OKUME, N'GOUMI
Gabon : OKOUME, ANGOUMA
Congo : N'KUMI
Great Britain : GABOON (OKAKA/AZOUGA = deep splines on logs)
Pr. = REGUL., IMP. Ex. = VEDRY IMP.
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| SAPWOOD |
: |
Demarcated, freyish white, narrow. |
| HEARTWOOD |
: |
|
- Colour : Salmon-pink to dark-pink, darkening on exposure
- Grain : Slightly interlocked to frequently interlocked
- Texture : Fine to medium
- Silver figure : Fine (barely visible)
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| TECHNOLOGICAL PROPERTIES |
- Green weight (kg/m3) = 550 - 650
- Specific gravity at 12% M.C. (kg/m3) MV12 = (light) 440
- Volumetric swelling for 1% MC variation V% = (small) 0.33
- Total tangential swelling T% = 7.5
- Total radial swelling R% = 4.8
- Crushing strength (N/mm2) C12 = 36
- Static bending strength (N/mm2) F12 = 87
- Modulus of elasticity (N/mm2) E12 = 7800
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| END USE |
- Plywood
- Furniture components
- Mouldings
- Boxes and crates
- Interior joinery
- Blackboards
- Pleasure boats
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| REMARKS |
- Natural durability : Moderate
- Lyctus susceptibility : No
- Preservative treatment : Moderate
- Other remarks :
- Frequent defects : wooly heartwood OZOUGA.
- Aspect and color differing with provenances (Equatorial Guinea : lighter).
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