LOURO (Ocotea neesiana)
Nombre comercial
Louro
Nombre científico (con autor)
Ocotea neesiana (Miq.) Kosterm.
Familia
LAURACEAE
Nombres Comunes
Louro (Brazil)
Nombres científicos sinónimos (con autores)
Oreodaphne florulenta Meisn.; Ocotea florulenta (Meisn.) Mez; Nectandra neesiana Miq.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The trees are reported to have commercial lengths of 12 m, with trunk diameters of 70 cm in the average.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 200 micras or more. Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vessels per mm2 10 to 20 (abundant). Occa Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma confluent. 3 to 4 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Oil and/or mucilage cells at marginal cells of ray parenchyma. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Septate fibers present. Fibers with simple to minutely bordered pits.
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Foto macroscópica de la madera, plano tangencial
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Foto microscópica sección transversal de la madera
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
It has a strong pleasant smell.
Color
The wood is slightly differentiated. The heartwood is yellowish brown or pale brown.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
The grain is mostly interlocked.
Veta
This wood has a somewhat medium texture.
Brillo
Wood luster is reported to be rather high.
Dificultad para impregnar
It is resistant to preservative treatment.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.63
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.70
Contracción Tangencial Total (Saturado hasta anhidro) (%)
7.8
Contracción Radial Total (Saturado hasta anhidro) (%)
3.6
Defectos por secado
Ease of Drying: Air drying is rated as moderate. Drying Defects: Slight cupping is reported.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
2.2
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1101
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
121000
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
612
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
73
Cizallamiento radial CH12% (kgf/cm²)
127
Dureza Janka (lados) CH12% (kgf)
503
Dureza Janka (extremos) CH12% (kgf)
458
TRABAJABILIDAD
Aserrado
Sawing of this species is easy.
Maquinado general
It is easy to machine.
Cepillado
Planing operations are rated as easy, but very bad finishing is reported because of torn surfaces.
Torneado
30
Encolado
Gluing of this species is easy.
Lijado
Sanding is rated as good, with fair finishing because of fuzzy surfaces.
Acabado
The response of this species in finishing is fair.
Facilidad para herramientas manuales
It is reported to be moderately difficult to cut with hand tools.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, TOOLS, tool handles, agricultural tools, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, handicrafts, axle, yoke
VIVIENDA GENERAL
- 10 - Silica in Timbers
vigas
- 11 - Prospect: The wood database
Viguetas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
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
Peldaños
- 17 - Tree Conservation Database
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
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
artículos torneados
- 31 - Embassy of Colombia in Japan
Artículos torneados
- 32 - Embassy of Cote d`Ivoire in Japan
mangos de cuchillos
- 33 - Embassy of Gabon in Japan
HERRAMIENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Mangos herramientas
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Mangos agrícolas
- 44 - Atlas of Peruvian Woods
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
Botes_cubierta
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Ejes
- 73 - Handbook of Hardwoods
Yokes
- 74 - World Timbers, Vol.2, North and South America
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