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BATIBATRA (Enterolobium schomburgkii)
Trade Name
Batibatra
Scientific Name
Enterolobium schomburgkii (Benth.) Benth.
Family
LEGUMINOSAE
Common Names
Timbauba (Brazil); Jebio; Hevio; Harino; Bougou Bati Batra; Batibatra; Angelium; Acacia Franc; Curarina; Menudito
Scientific Name Synonyms
Pithecellobium schomburgkii Benth.; Mimosa wilsonii Standl.; Feuilleea schomburgkii (Benth.) Kuntze
Description Of The Tree
Botanical Description
The trees are reported to reach heights of 28 to 40 m, with well developed buttresses.
Natural Habitat
Enterolobium schomburgkii is reported from the sea level up to 1,100 m of altitude. It prefers non-inundable sandy soils.
Natural Distribution
Species in this group are reported to occur from Mexico and Guatemala, through Brazil, Venezuela, Colombia, Peru, Bolivia and Paraguay.
Wood Identification
Anatomic Description Of Wood
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.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood has no specific odor or taste.
Color
The heartwood is pale brown to golden yellow beige, sometimes with purplish brown veins, different from the pale yellow sapwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
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.
Natural Durability
It is resistant against decay and highly resistant against termites.
Natural durability index (1= Very high durability, 7=Vey low durability)
1
Resistance To Impregnation
The heartwood is impermeable, but the sapwood is easy to preserve.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.75
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.85
Total shrinkage Tangential (Saturated to 0%MC) (%)
9.9
Total shrinkage Radial (Saturated to 0%MC) (%)
4.5
Drying Defects
Drying Defects: Slight tendency to checking and moderate cupping are reported.
Recommended Dry Kiln Schedule
BR-A
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.2
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1652
Stiffness (MOE) 12%MC (kgf/cm²)
169597
Compression parallel to fiber 12%MC (kgf/cm²)
761
Compression perpendicular to fiber 12%MC (kgf/cm²)
140
Shear strength radial 12%MC (kgf/cm²)
111
Janka hardness (side) 12%MC (kgf)
1025
Janka hardness (end grain) 12%MC (kgf)
910
Workability
Sawing
Sawing of this species is difficult.
Rotary Veneer Cutting
E. schomburgkii can be sliced, but thermal treatments are recommended.
Sliced Veneer
E. schomburgkii can be sliced, but thermal treatments are recommended.
Blunting Effect
It is considered to have a slight blunting effect on the cutting elements.
Planing
It has no difficulty in planing or difficulties due to interlocked grain, finishing is poor.
Turning
30
Boring
Boring is reported to be easy.
Nailing
It is easy to nail, with good holding of nails and screws.
Gluing
Gluing properties are reported to be fair.
Sanding
Sanding operations are rated as easy, but it has bad finishing.
Polishing
The response of this species in polishing is good to fair.
REFERENCED USES
End Uses Summary
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
Crossheads Crossarms
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
Steps
- 17 - Tree Conservation Database
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Common
- 23 - Handbook of Hardwoods
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
- 30 - Embassy of Honduras in Japan
Ornaments
- 31 - Embassy of Colombia in Japan
Turned Articles
- 32 - Embassy of Cote d`Ivoire in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Heavy Packing
- 47 - Arvores Brasileiras
Pallets
- 48 - The strength properties of timbers
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Decking
- 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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