SAPELLI (Entandrophragma cylindricum)
Nombre comercial
Sapelli
Nombre científico (con autor)
Entandrophragma cylindricum Sprague
Familia
MELIACEAE
Nombres Comunes
Aboudikro (Côte d`Ivoire); Sapelli-Mahogani (Germany); M'boyo (Central African Republic); West African cedar; Ubilesan; Tshimaye noir; Scented mahogany; Sapeli; Sapele wood; Sapele mahogany; Penkua; Owuru; Odupon; Miovu; Lotue; Lifuti; Liboyo; Kwabohoro; Gold Coast cedar; Dilolo; Cedar; Bubussu; Botsife; Bibitu; Atore; Acajou sapelle; Aboudikro; Libuyu (Zaire); Sapelli (Cameroon); Sapelli-mahagoni (Germany); Sapele (United Kingdom); Muyovu (Uganda); Undianuno (Congo); Undianuno (Angola); Lifaki (Zaire); M`boyo (Central African Republic); Assie-sapelli (Cameroon); Sapele (Nigeria); Penkwa (Ghana)
Nombres científicos sinónimos (con autores)
Pseudocedrela cylindrica Sprague; Entandrophragma tomentosum A. Chev. ex Hutch. & Dalz.; Entandrophragma lebrunii Staner
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The tree may reach more than 50 m. The bole is straight, cylindrical and straight to 32 m in length. The trunk diameter can attain 200 cm over the broad, low buttresses. Occasionally the buttresses are absent. Log is banned for international trading.(Came
Hábitat natural
Entandrophragma cylindricum occurs in semi-evergreen and evergreen forests. It is reported on rocky ground, in lake-shore forests, deciduous forests, semi-deciduous and almost dry zones and transitional formations.
Distribución natural
West, Central and East Africa, from Cote d`Ivoire to Uganda.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 150 to 200 micras (medium). Brown-colored deposits in heartwood vessels. Non-vestured pits. Vessels per mm2 10 to 20 (abundant). Simple perforation p Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma in discontinuous tangential lines. Occasionally axial parenchyma storied. Prismatic crystals in non-chambered axial parenchy 4 to 10 rays per mm (medium). Occasionally rays storied. Rays 1 to 4 seriate. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). 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
Olor
Light and pleasant odor.
Color
The sapwood is pinkish grey to whitish, it has a thickness of 7 to 10 cm. The heartwood is red brown to purplish brown, it is clearly demarcated. The silver figure is fine, ripple marks.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
The grain is slightly but systematically interlocked; special care is needed when drying because of frequent risks of distortion.
Veta
The texture varies from fine to medium.
Brillo
The wood is described as low in 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. Moderately resistant to termites attack
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Internal growth stresses
Residual stresses are reported to be absent.
Contenido de sílice
Silica Content: This timber is reported to have a negligible silica content. Silica contents over 0.05% may affect wood processing. Silica Value: 0
Dificultad para impregnar
Difficult to treat with only a low penetration of the preservative products.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.62
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.69
Contracción Tangencial Total (Saturado hasta anhidro) (%)
7.2
Contracción Radial Total (Saturado hasta anhidro) (%)
5.0
Defectos por secado
Ease of Drying: Terap seasons rapidly to fairly slowly. It takes 1 to 3 months to dry 15 mm thick boards to air-dry condition. Drying Defects: It has a moderate to slight tendency to bow, cup and check.
Calendario de Secado
FR-9
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.4
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1043
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
142334
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
630
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
85
Cizallamiento radial CH12% (kgf/cm²)
78
Dureza Janka (lados) CH12% (kgf)
592
Dureza Janka (extremos) CH12% (kgf)
689
TRABAJABILIDAD
Aserrado
It is easy to saw.
Corte de chapa rotativa
Suitable for slicing, also suitable for peeling if treated.
Chapa tranchada
Suitable for slicing, also suitable for peeling if treated.
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
Rather difficult; special tools are needed.
Torneado
30
Taladrado
Rather difficult; special tools are needed.
Escopleado, caja y espiga
Rather difficult; special tools are needed.
Clavado
Pre-boring is necessary.
Encolado
Difficult to glue because of the extracts content.
Lijado
Difficult to obtain very good results because of interlocked grain.
Sacar lustre
Can be polished without surface preparation.
Doblar al vapor
Steam bending is difficult.
Facilidad para herramientas manuales
No particular problems.
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, faces, Decorative veneer, TURNING, ornaments, turned furniture, NAVAL CONSTRUCTION, boat deck, port storage
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
Caras
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
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
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
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