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LIMBALI (Gilbertiodendron grandiflorum)
Trade Name
Limbali
Scientific Name
Gilbertiodendron grandiflorum J.Leon.
Family
LEGUMINOSAE
Common Names
Abeum (Gabon); Ekobem (Cameroon); Limbali
Description Of The Tree
Botanical Description
The tree reaches a height of 11 to 25 m, with trunk diameters of 50 cm. The bole is often crooked.
Natural Habitat
Gilbertiodendron grandiflorum is found in savanna forests and near rivers.
Wood Identification
Anatomic Description Of Wood
Vessels per mm2 less than 6 (rare). Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Vestured pits. Vessel-ray pits similar to intervessel pits in size and shape. Simple Axial parenchyma lozenge-aliform. Occasionally axial parenchyma in marginal or in seemingly marginal bands. Rays more than 10 per mm (abundant). Rays exclusively uniseriate. Non-crystals in ray cells. Non-septate fibers. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The sapwood is yellow to pale brown. The heartwood is dark red, it is clearly demarcated.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
Straight or slightly interlocked, sometimes with an influence on further processing operations.
Texture
This wood has a somewhat coarse texture.
Luster
This wood is commonly of low luster.
Natural Durability
Moderately durable to decay. Without preservative treatment, this species can be used only under risk of occasional re-humidification. It is not suited for uses with risks of permanent or long-lasting humidification. Moderately resistant to termites attack
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Internal Growth Stresses
No residual growth stresses are found.
Resistance To Impregnation
Difficult to treat with only a low penetration of the preservative products.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.59
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.65
Drying Defects
Ease of Drying: Air seasoning is fairly slow. Boards of 13 mm and 38 mm thick take about 2 months and 5 months to air dry. Drying Defects: There is only slight risk of insect attack and stain. Severe cupping was observed in samples from Sabah.
Recommended Dry Kiln Schedule
FR-6
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1905
Compression parallel to fiber 12%MC (kgf/cm²)
780
Compression perpendicular to fiber 12%MC (kgf/cm²)
112
Janka hardness (side) 12%MC (kgf)
523
Janka hardness (end grain) 12%MC (kgf)
624
Workability
Sawing
It is moderately easy to saw.
Rotary Veneer Cutting
Not suitable for slicing.
Sliced Veneer
Not suitable for slicing.
Blunting Effect
Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.
Machining
Possible difficulties caused by interlocked grain are reported.
Planing
Moderately easy; tools must be cautiously sharpened.
Moulding
Moderately easy; tools must be cautiously sharpened.
Turning
30
Boring
Moderately easy; tools must be cautiously sharpened.
Mortising
Moderately easy; tools must be cautiously sharpened.
Nailing
Pre-boring is necessary.
Gluing
Glues well if basic gluing technical rules are followed.
Sanding
Easy to perform; it gives good results.
Polishing
Needs pre-coating.
Response To Hand Tools
Working with hand tools is difficult.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, TURNING, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, port storage
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Frames
- 16 - Woods of the World
Steps
- 17 - Tree Conservation Database
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Fittings
- 19 - Silica in Timbers
Turning
- 30 - Embassy of Honduras in Japan
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Decking
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Port Storage
- 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
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