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BLACK BEAN (Castanospermum australe)
Nombre comercial
Black bean
Nombre científico (con autor)
Castanospermum australe A. Cunn. & C. Fraser
Familia
LEGUMINOSAE
Nombres Comunes
Moreton Bay chestnut; Bean tree; Moreton bay chesnut (United States of America); Black bean (United Kingdom); Black bean (United States of America); Moreton bay chesnut (United Kingdom)
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a medium-sized to fairly large tree up to 40 m tall. The bole is free of branches for up to 20 m, up to 135 cm in diameter. The buttresses are absent.
Hábitat natural
Castanospermum australe is reported in primary coastal rain forests and along beaches. It thrives on wet soils of moderate fertility.
Distribución natural
It ranges from northern New South Wales to the Cook town-Atherton area of Queensland.
Existencia de plantaciones?
Plantations are reported in Sri Lanka and Papua New Guinea.
Usos No-maderables
Logs of this species are reported to present brittle heart. Black bean is reported to be not suitable for pulping, cement or particle board making.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Vestured pits. Vessels per mm2 less than 6 (rare). Simple perforation plates. Intervessel pits small, 7 micras or less. Axial parenchyma lozenge-aliform. Axial parenchyma confluent. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays and/or axial elements irregularly storied. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-I Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Color
The sapwood ranges from white to yellowish. The heartwood is dark brown, darkening to almost back with age.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
3
Grano
The grain is usually straight, occasionally interlocked.
Veta
A coarse texture is reported in this species.
Durabilidad Natural
It is resistant to termite attack.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
2
Dificultad para impregnar
The sapwood is moderately permeable to preservatives, but the heartwood is untreatable.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.58
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.64
Contracción Tangencial Total (Saturado hasta anhidro) (%)
14.9
Contracción Radial Total (Saturado hasta anhidro) (%)
9.3
Defectos por secado
Ease of Drying: Air seasoning is reported to be good but slow. Material thicker than one inch requires slow drying. Drying Defects: Honeycombing is reported in thick stock. It has a tendency to warp and check.
Calendario de Secado
UK-C; US-T3-C2
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.6
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1039
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
137565
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
581
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
92
Cizallamiento radial CH12% (kgf/cm²)
127
Dureza Janka (lados) CH12% (kgf)
703
Dureza Janka (extremos) CH12% (kgf)
839
TRABAJABILIDAD
Corte de chapa rotativa
Tests on the suitability for the production of veneer showed moderate results.
Chapa tranchada
Tests on the suitability for the production of veneer showed moderate results.
Pérdida de filo_romado
Wood of this species produces a moderate blunting effect.
Maquinado general
The working properties are generally satisfactory but may be affected by alternating soft and hard patches.
Torneado
30
Clavado
This species is reported to have a good nailing behavior.
Encolado
It is easy to glue, but occasionally gluing is problematic because of the slightly greasy nature of the wood.
Barnizado
Wood of this species is easy to stain.
Sacar lustre
It is easy to polish.
Doblar al vapor
This species is reported to have a moderate response to steam bending.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, SPORTS, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings
VIVIENDA GENERAL
- 10 - Silica in Timbers
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles finos
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Gabinetes
- 24 - Empire Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
chapa decorativa
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneado
- 30 - Embassy of Honduras in Japan
IMPLEMENTOS DEPORTIVOS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Carrocería de camión
- 53 - Timbers of the New World
Pisos de vagones_contenedores
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
OTROS E INSTRUMENTOS MUSICALES
- 63 - Madeiras do Brazil II
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molduras
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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