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BATIBATRA (Enterolobium schomburgkii)
Nom commercial
Batibatra
Nom scientifique (avec auteur)
Enterolobium schomburgkii (Benth.) Benth.
Famille
LEGUMINOSAE
Noms communs (pays)
Timbauba (Brazil); Jebio; Hevio; Harino; Bougou Bati Batra; Batibatra; Angelium; Acacia Franc; Curarina; Menudito
Synonymes du nom scientifique (avec auteurs)
Pithecellobium schomburgkii Benth.; Mimosa wilsonii Standl.; Feuilleea schomburgkii (Benth.) Kuntze
DESCRIPTION DE L'ARBRE
Description botanique
The trees are reported to reach heights of 28 to 40 m, with well developed buttresses.
Habitat naturel
Enterolobium schomburgkii is reported from the sea level up to 1,100 m of altitude. It prefers non-inundable sandy soils.
Répartition naturelle
Species in this group are reported to occur from Mexico and Guatemala, through Brazil, Venezuela, Colombia, Peru, Bolivia and Paraguay.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 200 micras or more. White deposits in heartwood vessels. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits simila Occasionally axial parenchyma in marginal or in seemingly marginal bands. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma lozenge-aliform. Axial parenchyma confluent. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Occasionally septate fibers present. 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 heartwood is pale brown to golden yellow beige, sometimes with purplish brown veins, different from the pale yellow sapwood.
Index de Teinte (1 = Noir, 7 = Jaune clair)
4
Grain
The grain is often straight or irregularly interlocked; occasionally wavy.
Texture
The texture is described as medium to coarse.
Luster
This wood is commonly of moderate luster.
Durabilité naturelle
It is resistant against decay and highly resistant against termites.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
1
Résistance à l'imprégnation
The heartwood is impermeable, but the sapwood is easy to preserve.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.75
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.85
Retrait tangentiel total (saturé à 0%TH) (%)
9.9
Retrait radial total (saturé à 0%TH) (%)
4.5
Défauts dus au séchage
Drying Defects: Slight tendency to checking and moderate cupping are reported.
Calendrier de séchage en séchoir recommandé
BR-A
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
2.2
Calendrier de séchage en séchoir
http://www.tropicaltimber.info/wp-content/uploads/2015/08/KD_Brazilian1.pdf
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1652
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
169597
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
761
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
140
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
111
Dureté Janka (latérale) 12%TH (kgf)
1025
Dureté Janka (extrémités) 12%TH (kgf)
910
OUVRABILITÉ
Sciage
Sawing of this species is difficult.
Coupe de placage de déroulage
E. schomburgkii can be sliced, but thermal treatments are recommended.
Placage tranche
E. schomburgkii can be sliced, but thermal treatments are recommended.
Effet d'émoussement
It is considered to have a slight blunting effect on the cutting elements.
Rabotage
It has no difficulty in planing or difficulties due to interlocked grain, finishing is poor.
Tournage
30
Perçage
Boring is reported to be easy.
Clouage
It is easy to nail, with good holding of nails and screws.
Collage
Gluing properties are reported to be fair.
Ponçage
Sanding operations are rated as easy, but it has bad finishing.
Polissage
The response of this species in polishing is good to fair.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, TOOLS, tool handles, agricultural tools, PACKING, heavy packing, pallets, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, yoke
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Crosses
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
Traverses de chemin de fer
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
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
Planchers
- 14 - Handbook of Hardwoods
Cadres
- 16 - Woods of the World
Marches
- 17 - Tree Conservation Database
Panneaux
- 18 - W3TROPICOS Missouri Botanical Garden
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Meubles ordinaire
- 23 - Handbook of Hardwoods
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Placage tranché
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Tournage
- 30 - Embassy of Honduras in Japan
Ornements
- 31 - Embassy of Colombia in Japan
Ornements
- 32 - Embassy of Cote d`Ivoire in Japan
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Outils_agric
- 44 - Atlas of Peruvian Woods
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Embal_lourd
- 47 - Arvores Brasileiras
Emballage, palettes
- 48 - The strength properties of timbers
Carros_camion
- 53 - Timbers of the New World
Wagons
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
Navires_ponts
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Yokes
- 74 - World Timbers, Vol.2, North and South America
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