ACAJOU CAILCEDRAT (Khaya senegalensis)
Nombre comercial
Acajou Cailcedrat
Nombre científico (con autor)
Khaya senegalensis A.Juss.
Familia
MELIACEAE
Nombres Comunes
Dialo (Senegal); Cailcedrat (Senegal); Cailcedrat (Mali); Bissilom (Guinea-Bissau); Diala (Guinea); Cailcedrat (Côte d`Ivoire); Bissilongo (Côte d`Ivoire); Acajou bissilom (Côte d`Ivoire); Djala (Burkina Faso); Cailcedrat (Burkina Faso); Acajou cailcedrat (Benin); Acajou du behr (Sudan); Tit; Tiro; Tido; Senga mahogany; Senegal mahogany; Ono; Okpe; Oganwo; Murraya; Mario; Madwachi; Madachi; Loko; Logo; Kuntunkuri; Kuka; Kuga; Korobaa; Koko; Koka; Kiree; Kirai; Kierr; Kheiri; Khaya wood; Khaya mahogany; Kahi; Kagam; Homraya; Haemu; Ha; Guinea mahogany; Gadeau; Frimu; Eri; Dry zone mahogany; Delehi; Cail cedrat; Bogu; Bisslongo; Bissilongo; Bisselon; Benin mahogany; Bele; Bandora; Alor; Agwanwo; African mahogany; Acajou du Senegal; Acajou cail cedrat; Abudu ono; Bandoro (Sudan); Eri kiree (Uganda); Ogwango (Nigeria); Akuk (Nigeria); Diala-iri (Ghana); Cailcedrat
Nombres científicos sinónimos (con autores)
Swietenia senegalensis Desr.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The tree reaches a height of 32 to 40 m. The bole is usually twisted or crooked with low branching. The trunk diameter attains 100 to 150 cm.
Hábitat natural
Khaya senegalensis is often found in the fringe between the rain forest and the savanna. National conservation status in Benin V.
Distribución natural
West tropical Africa from the Guinea Coast to Cameroon and extending eastward through the Congo basin to Uganda and parts of Sudan.
Existencia de plantaciones?
Tested and planted in some African countries. In most cases, mixed plantations with other species (Niangon, Okoume, Bilinga). The duration of the rotation is 40 years, to reach 60 cm in diameter.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Brown-colored deposits in heartwood vessels. Non-vestured pits. Vessels per mm2 6 to 10 (medium). Simple perforation plat Occasionally axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally prismatic crystals in non-chambered axial parenchyma cells. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays of two distinct sizes. Occasionally rays storied. Rays 1 to 2 seriate. Larger rays more than 4 seriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Septate fibers present. Fibers with simple to minutely bordered pits.
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Foto macroscópica de la madera, plano tangencial
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Foto microscópica sección transversal de la madera
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Color
The sapwood is slightly paler than the heartwood, it has a thickness of 2.5 to 5 cm. The heartwood is pink-brown, darkening to a deep red-brown color, with a purplish tinge, it is clearly demarcated.
Grano
It has highly interlocked grain; special care is needed when drying because of frequent risks of distortion.
Veta
This wood has a somewhat medium texture.
Brillo
This wood is commonly of low luster.
Durabilidad Natural
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. Sensible to termites attack. The heart
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Internal growth stresses
No residual stresses are reported in this species.
Contenido de sílice
Silica Content: It is reported to have a negligible amount of silica. Contents over 0.05% may affect wood processing. Silica Value: 0.01
Dificultad para impregnar
Nearly impossible to treat with a too much low penetration of the preservative substances.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.69
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.78
Contracción Tangencial Total (Saturado hasta anhidro) (%)
5.6
Contracción Radial Total (Saturado hasta anhidro) (%)
4.9
Defectos por secado
Ease of Drying: Air drying is reported as good with little or no degrade.
Calendario de Secado
FR-6
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.1
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
879
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
118791
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
550
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
70
Cizallamiento radial CH12% (kgf/cm²)
91
Dureza Janka (lados) CH12% (kgf)
757
Dureza Janka (extremos) CH12% (kgf)
838
TRABAJABILIDAD
Aserrado
It is moderately easy to saw.
Corte de chapa rotativa
Suitable for slicing.
Chapa tranchada
Suitable for slicing.
Pérdida de filo_romado
Slight blunting effect; ordinary tools can be used for sawing and machining.
Maquinado general
Machining of this species is reportedly easy.
Cepillado
Moderately easy; tools must be cautiously sharpened.
Moldurado
Moderately easy; tools must be cautiously sharpened.
Torneado
30
Taladrado
Moderately easy; tools must be cautiously sharpened.
Escopleado, caja y espiga
Moderately easy; tools must be cautiously sharpened.
Clavado
Pre-boring is necessary.
Encolado
Glues well if basic gluing technical rules are followed.
Lijado
Easy to perform; it gives good results.
Sacar lustre
Can be polished without surface preparation.
Facilidad para herramientas manuales
Working with hand tools is difficult.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, NAVAL CONSTRUCTION, boat deck, port storage, OTHER AND MUSICAL INSTRUMENTS, handicrafts
VIVIENDA GENERAL
- 10 - Silica in Timbers
vigas
- 11 - Prospect: The wood database
Viguetas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Tablas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Pisos
- 14 - Handbook of Hardwoods
Parquet
- 15 - Empire Timbers
Marcos
- 16 - Woods of the World
Peldaños
- 17 - Tree Conservation Database
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
Accesorios de madera
- 19 - Silica in Timbers
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles finos
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Gabinetes
- 24 - Empire Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
chapa decorativa
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneado
- 30 - Embassy of Honduras in Japan
artículos torneados
- 31 - Embassy of Colombia in Japan
Artículos torneados
- 32 - Embassy of Cote d`Ivoire in Japan
mangos de cuchillos
- 33 - Embassy of Gabon in Japan
Hormas zapato
- 34 - Embassy of Indonesia in Japan
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
Botes_cubierta
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Puertos_estantería
- 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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