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CORDIA D`AFRIQUE (Cordia platythyrsa)
Trade Name
Cordia d`Afrique
Scientific Name
Cordia platythyrsa Bak.
Family
BORAGINACEAE
Common Names
Omo (Nigeria); Ebe (Gabon); African cordia (Germany); African cordia (United Kingdom); Ebais (Gabon); Ebais (Cameroon); Ebe (Cameroon); Mukumari (Kenya); Mugoma (Kenya); Mukebu (Uganda); Sumba (Zaire); Bon (Côte d`Ivoire); Cordia d`Afrique
Scientific Name Synonyms
Cordia irvingii Baker pro parte; Cordia candidissima A. Chev.
Description Of The Tree
Botanical Description
The tree reaches a height of 20 to 32 m. The bole is cylindrical but rarely straight, 10 to 13 m in length. The trunk attains about 100 cm in diameter above the buttresses.
Natural Habitat
Cordia platythyrsa is a timber species occurring in closed forest and old secondary formations. It regenerates well in disturbed forest.
Natural Distribution
Widely distributed in tropical Africa, from Sierra Leone to Gabon and Central Africa.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Vessel clusters common. Tangential diameter of vessel lumina 200 micras or more (large). Tyloses thin walled. Non-vestured pits. Vessels per mm2 6 to 10 (medium). Simple perforation plate Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma in thick bands. Occasionally axial parenchyma storied. Crystal sand in axial parenchyma cells. Two cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays non-storied. Larger rays more than 4 seriate. Prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Non-septate fibers. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is from pale golden brown to brown, occasionally pinkish brown, it is sometimes not clearly demarcated. The silver figure is medium.
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
The surface of the wood is naturally moderate in luster.
Natural Durability
Durable to decay; this species can be utilized without preservative treatment for exterior joinery or similar uses. Resistant to termites attack. Heartwood is resistant to Lyctus attacks.
Natural durability index (1= Very high durability, 7=Vey low durability)
1
Internal Growth Stresses
Residual stresses are reported to be absent.
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)
0.39
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.41
Drying Defects
Kiln Schedules: Based on its low density and air drying properties, terentang timber can be kiln dried using red meranti (F) or jeludong (H) kiln drying schedules.
Recommended Dry Kiln Schedule
FR-5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
740
Compression parallel to fiber 12%MC (kgf/cm²)
387
Compression perpendicular to fiber 12%MC (kgf/cm²)
44
Janka hardness (side) 12%MC (kgf)
204
Janka hardness (end grain) 12%MC (kgf)
295
Workability
Sawing
It is easy to saw.
Rotary Veneer Cutting
Suitable for slicing.
Sliced Veneer
Suitable for slicing.
Blunting Effect
Slight blunting effect; ordinary tools can be used for sawing and machining.
Machining
Machining of this species is reportedly easy.
Planing
Easy; no particular problems.
Moulding
Easy; no particular problems.
Turning
30
Boring
Easy; no particular problems.
Mortising
Easy; no particular problems.
Nailing
No particular problem.
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
No particular problems.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, boards, frames, steps, panelling, fittings, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture
General Housing
- 10 - Silica in Timbers
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Frames
- 16 - Woods of the World
Steps
- 17 - Tree Conservation Database
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Fittings
- 19 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Luxury
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
- 30 - Embassy of Honduras in Japan
Ornaments
- 31 - Embassy of Colombia in Japan
Turned Articles
- 32 - Embassy of Cote d`Ivoire in Japan
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