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LIMBALI (Gilbertiodendron mayumbense)
Nombre comercial
Limbali
Nombre científico (con autor)
Gilbertiodendron mayumbense J.Leon.
Familia
LEGUMINOSAE
Nombres Comunes
Abeum (Gabon); Ekobem (Cameroon); Limbali
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The tree reaches a height of 23 to 32 m. The bole is cylindrical and unbuttressed. The trunk diameter attains 50 to 100 cm.
Hábitat natural
Gilbertiodendron mayumbense is found in the riparian forests of Equatorial Africa.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
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. Simple perforation plates. Axial parenchyma lozenge-aliform. Occasionally axial parenchyma in marginal or in seemingly marginal bands. 3 to 4 cells per parenchyma strand. Rays exclusively uniseriate. Non-crystals in ray cells. Non-septate fibers. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Color
The sapwood is pale yellow to grey. The heartwood is red-brown, it is clearly demarcated.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
Straight or slightly interlocked, sometimes with an influence on further processing operations.
Veta
The wood is reported to have a coarse texture.
Brillo
Luster is usually low.
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
For this species no growth stresses are reported.
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)
0.69
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.77
Defectos por secado
Ease of Drying: The wood is generally easy to air dry.
Calendario de Secado
FR-6
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1335
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
709
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
99
Dureza Janka (lados) CH12% (kgf)
739
Dureza Janka (extremos) CH12% (kgf)
822
TRABAJABILIDAD
Aserrado
It is moderately easy to saw.
Corte de chapa rotativa
Not suitable for slicing.
Chapa tranchada
Not suitable for slicing.
Pérdida de filo_romado
Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.
Maquinado general
Possible difficulties caused by interlocked grain are reported.
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
Needs pre-coating.
Facilidad para herramientas manuales
Working with hand tools is difficult.
Usos Reportados
USOS FINALES (RESUMEN)
EXTERIOR GENERAL, rails, HOUSING GENERAL, beams, joists, boards, flooring, parquet, frames, steps, panelling, fittings, TURNING, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, port storage
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Barandilla
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
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
Torneado
- 30 - Embassy of Honduras in Japan
Carrocería de camión
- 53 - Timbers of the New World
Pisos de vagones_contenedores
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
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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