Berlinia (Berlinia acuminata)
Family: Leguminosae
Common names: Abem, Berlinia, Ebiara, Ekpogi, Essaben, Essoule, Gborduorh, Kibibi, M'Possa, Melegba, wepa
Distributed in: Benin, Cameroon, Gabon, Gambia, Ghana, Guinea Bissau, Guinea, Ivory Coast, Liberia, Nigeria, Senegal, Sierra Leone, Togo (Africa)
Distribution overview: West Africa into Zaire, from dense, high forests to savannah forests and even marshy areas.
Common uses: Beams, Bedroom suites, Building construction, Building materials, Cabin construction, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Construction, Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Excelsior, Factory construction, Figured veneer, Fine furniture, Floor lamps, Furniture , Furniture components, Furniture squares or stock, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery, Joists, Kitchen cabinets, Living-room suites, Millwork, Mine timbers, Moldings, Office furniture, Paneling , Porch columns, Radio - stereo - TV cabinets, Rough construction, Rustic furniture
Environment profile: Status has not been officially assessed
Tree size: Tree height is 20-30 m
Colors: the heart isReddish brown, Whiteand the sapwoodWhite to yellow, Yellow.The grain isStraight to interlocked, the textureUniform
Natural durability: Very vulnerable to ambrosia beetle attack, Vulnerable to attack by powder-post beetles
Odor: No odor, generally.
Kiln Schedules: T6 - D2 (4/4) US
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Expect resin/gum exudation, Slight twist/warp
Ease of Drying: Slowly
Blunting Effect: Moderate
Boring: Very good to excellent results
Cutting Resistance: Requires tungsten tipped cutters
Gluing: Good properties
Mortising: Very Good to Excellent
Moulding: Poor to Very Poor
Movement in Service: Poor to Very Poor
Nailing: Pre-boring recommended, Very Good to Excellent
Planing: Requires reduced cutting angle
Resistance to Impregnation: Sapwood is permeable
Response to hand tools: Fairly Difficult to Difficult to Work
Sanding: Interlocked grain may cause some grain tearing
Veneering qualities: Veneers easily, Veneers moderately easy
Steam bending: Fair/moderate
Screwing: Fair to Good Results, Pre-boring recommended; Turning: Very Good to Excellent Results
Polishing: Good; Staining: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
0,53 |
0,64 |
|
Density |
|
705 |
kg/m3 |
Bending Strength |
687 |
997 |
kg/cm2 |
Crushing Strength |
326 |
518 |
kg/cm2 |
Hardness |
|
604 |
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
|
kg/cm2 |
Stiffness |
97 |
112 |
1000 kg/cm2 |
Tangential Shrinkage |
9 |
|
% |
Radial Shrinkage |
4 |
|
% |
Weight |
833 |
689 |
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
|
cm-kg |
Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 9776 | 14183 | psi | Density | | 44 | lbs/ft3 | Hardness | | 1333 | lbs | Maximum Crushing Strength | 4638 | 7380 | psi | Stiffness | 1384 | 1593 | 1000 psi | Specific Gravity | 0.53 | 0.64 | | Weight | 52 | 43 | lbs/ft3 | Radial Shrinkage | 4 | | % | Tangential Shrinkage | 9 | | % | Volumetric Shrinkage | 12 | | % | |
Weight = heavy Resists denting and marring Hardness = medium Density = high Compression strength (parallel to grain) = high Bending strength (MOR) = high
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.WCMC.1992.Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.
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