COPAIBA (Copaifera duckei)
Nombre comercial
Copaiba
Nombre científico (con autor)
Copaifera duckei Dwyer
Familia
LEGUMINOSAE
Nombres Comunes
Copaúva (Brazil); Pau-D`oleo (Brazil); Óleo-De-Copaíba (Brazil); Copaiba Rana (Brazil); Óleo-Copaíba (Brazil); Copaibarana (Brazil); Copaíba (Brazil); Óleo-De-Copaúva (Brazil); Pau-D`oleo (Brazil); Óleo-Copaíba (Brazil); Copaíba (Brazil); Conduru-De-Sangue (Brazil)
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The commercial lengths are 13 m in the average, though lengths up to 22 m are also reported. The diameter ranges from 45 to 80 cm. The logs are reported to be straight and cylindrical.
Hábitat natural
Copaifera duckei is reported in primary and secondary forests. It is a typical species in the transition from the cerrado to semideciduous forests.
Distribución natural
Trees of the Copaiba group are reported in Central America and tropical South America.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Occasionally white deposits in heartwood vessels. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pit Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Two cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). 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 heartwood is dark reddish brown in color, different from the sapwood which is grayish color.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
3
Grano
This species is reported to have straight grain.
Veta
This wood has a somewhat medium texture.
Brillo
The wood luster is reported to be rather moderate.
Durabilidad Natural
Copaiba timber is reported as moderately durable against decay and insects attack.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Dificultad para impregnar
The sapwood absorbs preservatives readily. The heartwood is resistant to impregnation.
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) (%)
8.2
Contracción Radial Total (Saturado hasta anhidro) (%)
4.1
Defectos por secado
Ease of Drying: Air seasoning is reported to be moderate. Drying Defects: Risk of checking, cupping and twisting. Casehardening is also reported.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
2.0
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1179
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
123000
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
600
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
99
Cizallamiento radial CH12% (kgf/cm²)
122
Dureza Janka (lados) CH12% (kgf)
664
Dureza Janka (extremos) CH12% (kgf)
867
TRABAJABILIDAD
Aserrado
Sawing of this wood is reported to be fair to difficult.
Corte de chapa rotativa
Light Copaifera species are reported to be interesting for peeling, the heavier species can be sliced.
Chapa tranchada
Light Copaifera species are reported to be interesting for peeling, the heavier species can be sliced.
Cepillado
Planing operations are reported to be fair, but C. duckei gives a smooth finishing.
Torneado
30
Encolado
Trees of the Copaiba group are reported to have a high oil-resin content which can render gluing problems depending on the adhesive used.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, Decorative veneer, TURNING, TOOLS, tool handles, PACKING, CONTAINERS, truck bodies, OTHER AND MUSICAL INSTRUMENTS, door core, moldings
VIVIENDA GENERAL
- 10 - Silica in Timbers
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
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
HERRAMIENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Mangos herramientas
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Carrocería de camión
- 53 - Timbers of the New World
Alma de puerta
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Molduras
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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