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COPAIBA (Copaifera duckei)
Nome comercial
Copaiba
Nome científico (autor)
Copaifera duckei Dwyer
Família
LEGUMINOSAE
Nomes comuns
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)
DESCRIÇÃO DA ÁRVORE
Descrição botânica
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.
Habitat natural
Copaifera duckei is reported in primary and secondary forests. It is a typical species in the transition from the cerrado to semideciduous forests.
Distribuição natural
Trees of the Copaiba group are reported in Central America and tropical South America.
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
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.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Cor
The heartwood is dark reddish brown in color, different from the sapwood which is grayish color.
Indice de cor
3
Grã
This species is reported to have straight grain.
Veios ou desenhos na superfície
This wood has a somewhat medium texture.
Brilho
The wood luster is reported to be rather moderate.
DURABILIDADE NATURAL
Copaiba timber is reported as moderately durable against decay and insects attack.
Indice de durabilidade natural
3
Tratamento preservativo
The sapwood absorbs preservatives readily. The heartwood is resistant to impregnation.
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
0.62
Densidade seca ao ar 12% (g/cm³)
0.69
Contração Tangencial Total (Saturado até peso seco) (%)
8.2
Contração Radial Total (Saturado até peso seco) (%)
4.1
Defeitos causados pela secagem
Ease of Drying: Air seasoning is reported to be moderate. Drying Defects: Risk of checking, cupping and twisting. Casehardening is also reported.
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
2.0
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
1179
Flexão Estática a 12% (Módulo de elasticidade) (kgf/cm²)
123000
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
600
Resistência a compressão perpendicular as fibras a 12% (kgf/cm²)
99
Cisalhamento radial a 12% (kgf/cm²)
122
Dureza Janka a 12% (perpendicular) (kgf)
664
Dureza Janka a 12% (paralela) (kgf)
867
TRABALHABILIDADE
Serrar ou Cortar
Sawing of this wood is reported to be fair to difficult.
Desdobro da tora em torno para lâminas
Light Copaifera species are reported to be interesting for peeling, the heavier species can be sliced.
Desdobro da tora em faqueadeira para lâminas
Light Copaifera species are reported to be interesting for peeling, the heavier species can be sliced.
Aplainamento
Planing operations are reported to be fair, but C. duckei gives a smooth finishing.
Torneamento
30
Colagem
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 FINAIS RELATADOS
USOS FINAIS (RESUMO)
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
CASAS
- 10 - Silica in Timbers
Painéis
- 18 - W3TROPICOS Missouri Botanical Garden
MÓVEIS GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
CHAPAS
- 25 - Directory of Timber Trade Malaysia
Lâminas decorativas
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneamento
- 30 - Embassy of Honduras in Japan
FERRAMENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Mangos herramientas
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
PALETES PARA EMBALAGENS
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Carroceria de caminhão
- 53 - Timbers of the New World
Alma de porta
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Molduras de quadros
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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