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COPAIBA (Copaifera pubiflora)
Nom commercial
Copaiba
Nom scientifique (avec auteur)
Copaifera pubiflora Benth.
Famille
LEGUMINOSAE
Noms communs (pays)
Balsamo (Trinidad & Tobago); Bálsamo De Copaiba (Cuba); Aceite (Venezuela); Copaiba (Peru); Cupay (Paraguay); Canime (Colombia); Aceite Copaiba (Colombia); Caniva (Panama); Palo De Aceite; Cupaiba (Colombia); Aceite Copaiba (Venezuela); Aceite Cabimo (Venezuela); Copaíba (Brazil)
Synonymes du nom scientifique (avec auteurs)
Copaifera martii var. publiflora (Benth.) Benth.
DESCRIPTION DE L'ARBRE
Description botanique
The trees are reported to reach heights of up to 40 m, with trunk diameters of 100 cm. The boles are cylindrical, with commercial lengths of about 30 m.
Habitat naturel
Copaifera pubiflora is found in tropical rain and dry forests. It prefers lowland well drained sites.
Répartition naturelle
It is reported to occur in Venezuela and Colombia.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Occasionally vessels in dendritic pattern. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Red-colored deposits in heartwood vessels. Vestured pits. Vessels per mm2 less than Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma thin vasicentric. Axial parenchyma aliform. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Occasionally septate fibers present. Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
Typical, oily. It has a bitter taste
Teinte
The sapwood is pinkish white, the heartwood is reddish yellow.
Index de Teinte (1 = Noir, 7 = Jaune clair)
5
Grain
The grain is reported to be straight or interlocked.
Texture
This species is usually reported to have a medium texture.
Luster
The wood is described as moderate in luster.
Durabilité naturelle
Copaiba timber is reported as moderately durable against decay and insects attack.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
3
Résistance à l'imprégnation
The timber is difficult to treat with preservatives.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.48
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.53
Retrait tangentiel total (saturé à 0%TH) (%)
6.6
Retrait radial total (saturé à 0%TH) (%)
3.4
Défauts dus au séchage
Ease of Drying: Air season is reported to be fairly rapid. Drying Defects: Risk of twisting and checking is reported. Kiln Schedules: Air seasoning is recommended before kiln drying.
Calendrier de séchage en séchoir recommandé
JUNAC-A
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
2.0
Calendrier de séchage en séchoir
http://www.tropicaltimber.info/wp-content/uploads/2015/08/KD_JUNAC_SPA.pdf
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
690
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
77444
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
390
OUVRABILITÉ
Sciage
Sawing of this species is easy.
Coupe de placage de déroulage
Light Copaifera species are reported to be interesting for peeling, the heavier species can be sliced.
Placage tranche
Light Copaifera species are reported to be interesting for peeling, the heavier species can be sliced.
Effet d'émoussement
It has a slight blunting effect on the cutting tools.
Usinage
It is easy to machine.
Tournage
30
Collage
Trees of the Copaiba group are reported to have a high oil-resin content which can render gluing problems depending on the adhesive used.
Finissage
Copaifera is reported to yield a smooth finishing.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, beams, joists, boards, fittings, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, PACKING, heavy packing, OTHER AND MUSICAL INSTRUMENTS, door core, moldings, particleboard, cementboard
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Pouters
- 11 - Prospect: The wood database
Solives
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Accessoires en bois
- 19 - Silica in Timbers
Volets
- 20 - Prospect: The wood database
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Tournage
- 30 - Embassy of Honduras in Japan
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Embal_lourd
- 47 - Arvores Brasileiras
âme_porte
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Moulures
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Panneaux de particules
- 80 - Estudio Integral de la Madera para Construcción
Cementboard
- 81 - Madeiras da Amazônia: descrição do lenho de 40 espécies ocorrentes na Floresta Nacional do Tapajós
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