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CATIVO (Prioria copaifera)
Nom commercial
Cativo
Nom scientifique (avec auteur)
Prioria copaifera Griseb.
Famille
LEGUMINOSAE
Noms communs (pays)
Tabasara; Kartiva; Eativo; Copachu; Amanza muger; Algorrobillo; Timbo Y Ata; Palo De Aceite; Muramo; Curucai; Copaibarana (Brazil); Copaíba (Brazil); Copahyba (Brazil); Cativo; Camibar; Camiba; Cabino Blanco; Cabimo; Amansamujer; Floresa Taito; Trementino; Tabosara; Taito; Spanish Walnut; Amansa Mujer; Floresa; Copachú; Cabimbo; Canime; Cativo Negro; Cativo Blanco; Cautivo; Amazon Mugar; Red Cativo; White Cativo
DESCRIPTION DE L'ARBRE
Description botanique
The trees are reported to reach heights of 25 to 35 m, with trunk diameters ranging from 45 to 100 cm, even up to 180 cm. They develop well-formed and cylindrical boles that are up to 12 to 15 m long.
Habitat naturel
Prioria copaifera is a gregarious species, reported to occur in the lowland regions, where it is often found in pure stands.
Répartition naturelle
It is distributed from Nicaragua to Colombia
Usages non ligneux
Oily exudations are common in this species.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. I Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
The wood has no specific odor or taste.
Teinte
The sapwood is clearly differentiated from the heartwood. The heartwood is medium to light brown in color, attractive streaks are also reported.
Grain
The wood is straight-grained.
Texture
The texture is rather fine and uniform.
Luster
Wood surfaces are typically dull.
Durabilité naturelle
It is vulnerable to attack by the white-rot fungi, and is rated as non-resistant to decay.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
5
Résistance à l'imprégnation
The timber is reported to be very easy to preserve.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.45
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.48
Retrait tangentiel total (saturé à 0%TH) (%)
5.3
Retrait radial total (saturé à 0%TH) (%)
3.4
Défauts dus au séchage
Drying Defects: Slight warping is reported.
Calendrier de séchage en séchoir recommandé
UK-C; US-T3-C2
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.6
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
657
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
85173
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
353
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
40
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
68
Dureté Janka (latérale) 12%TH (kgf)
248
Dureté Janka (extrémités) 12%TH (kgf)
309
OUVRABILITÉ
Sciage
It saws easily, with a slight tendency to produce woolly surfaces.
Coupe de placage de déroulage
It is interesting for peeling.
Placage tranche
It is interesting for peeling.
Effet d'émoussement
The wood may have a moderate blunting effect on cutting tools.
Usinage
Machining operations are reportedly easy, but it has a tendency to produce woolly surfaces. It behaves better when seasoned.
Rabotage
Seasoned material planes well to yield relatively smooth surfaces.
Clouage
Good nail-holding properties.
Collage
The material is reported to glue easily.
Ponçage
Sanding qualities are reported to improve in seasoned wood.
Finissage
It needs care in finishing, because of the resin present in the wood.
Cintrage à la vapeur
This species has moderate steam bending properties.
Compatibilité avec outils manuels
Dry timber is reported to work well with hand tools.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, PACKING, light packing, OTHER AND MUSICAL INSTRUMENTS, handicrafts
MEUBLES ET M. DE RANGEMENT
- 10 - 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
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Embal_léger
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
AUTRES ET INSTRUMENTS DE MUSIQUE
- 63 - Madeiras do Brazil II
Artisanat
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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