< Volver ARAUCARIA (Araucaria cunninghamii) Vista Imprimible
ARAUCARIA (Araucaria cunninghamii)
Nombre comercial
Araucaria
Nombre científico (con autor)
Araucaria cunninghamii Aiton ex D.Don
Familia
ARAUCARIACEAE
Nombres Comunes
Son-nam (Thailand); Araucaria (Papua New Guinea); Pien (Indonesia); Ningwik Ningwik (Indonesia); Alloa (Indonesia)
Nombres científicos sinónimos (con autores)
Araucaria beccarii Warb.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
A very large, symmetrical tree up to 60 (-70) m tall, bole straight, cylindrical and self-pruning up to 40 m high and up to 200 cm in diameter, leaf-bearing twigs all along the length of the branches.
Hábitat natural
A. cunninghamii occurs most often in sub-montane Fagaceae forest on leached soils up to 2750 (-4000) m altitude. The tree is cultivated as an ornamental, and the seeds are edible.
Distribución natural
Coastal regions of New South Wales and south-eastern Queensland to Papua New Guinea and Irian Jaya (Indonesia).
Existencia de plantaciones?
Large scale plantations have been established in South Africa, Papua New Guinea and Australia.
Usos No-maderables
The wood is lightweight and soft.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
rays barely visible to the naked eye, usually pale and not very prominent on the radial surface. Rays 6-8/mm, almost exclusively uniseriated, sometimes biseriate, up to 20 cells high.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Color
Sapwood is straw-colored or pale yellow-brown, while the heartwood a little darker with a slight pinkish tinge.
Grano
Straight.
Veta
Outstandingly fine and uniform.
Brillo
Moderately present.
Durabilidad Natural
The wood is considered to be non-durable in contact with the ground, but it is resistant to Lyctus attack.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
5
Dificultad para impregnar
Heartwood is often moderately resistant, while the sapwood is relatively easy to be penetrated by preservatives.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.42
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.45
Contracción Tangencial Total (Saturado hasta anhidro) (%)
3.8
Contracción Radial Total (Saturado hasta anhidro) (%)
2.5
Defectos por secado
Ease of Drying: Boards can be kiln dried from the green with very good results and no particular seasoning difficulties need be anticipated.For 50 mm stock, preliminary air drying is suggested. 25 mm board:About 4 days are required to kiln dry from green to 12 % m.c..A
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.5
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
917
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
132164
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
499
Cizallamiento radial CH12% (kgf/cm²)
92
Dureza Janka (extremos) CH12% (kgf)
554
TRABAJABILIDAD
Aserrado
Low to moderate.
Corte de chapa rotativa
Excellent.
Chapa tranchada
Excellent.
Pérdida de filo_romado
-
Maquinado general
Well
Cepillado
Easy.
Moldurado
Easy
Taladrado
Easy
Escopleado, caja y espiga
-
Clavado
Good.
Encolado
Good.
Lijado
Good.
Acabado
Well.
Barnizado
Good.
Recubrimientos
Good.
Sacar lustre
Good.
Doblar al vapor
-
Facilidad para herramientas manuales
Well.
Especies sustitutas
-
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, boards, flooring, frames, panelling, FURNITURE AND CABINETS, common furniture, cabinets, PLYWOOD AND VENEER, faces, common veneer, OTHER AND MUSICAL INSTRUMENTS, pencil, matches, moldings, paper
VIVIENDA GENERAL
- 10 - Silica in Timbers
Tablas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Pisos
- 14 - Handbook of Hardwoods
Marcos
- 16 - Woods of the World
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles comunes
- 23 - Handbook of Hardwoods
Gabinetes
- 24 - Empire Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
Caras
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Chapa rotativa
- 29 - Embassy of Ecuador in Japan
Lápiz
- 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
Cerillas
- 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Molduras
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Pulpa_papel
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
Please Provide Information To View Producer Information