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LOURO AMARELO (Licaria rigida)
Nombre comercial
Louro amarelo
Nombre científico (con autor)
Licaria rigida (Kosterm.) Kosterm.
Familia
LAURACEAE
Nombres Comunes
Louro Amarelo (Brazil)
Nombres científicos sinónimos (con autores)
Acrodiclidium rigidum Kosterm.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
The Licaria trees develop well-formed and cylindrical boles that are 12 m long, with diameters of 50 cm in the average. Buttresses over 3 m tall are also reported.
Distribución natural
In Brazil it is reported in the Para state.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 150 to 200 micras (medium). Tyloses common. Vessels per mm2 6 to 10 (medium). Simple perforation plates. Vessel-ray pits coarse throughout the ray cell. Occ Paratracheal axial parenchyma scanty and/or vasicentric. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Occasionally prismatic crystals in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Oil and/or mucilage cells at marginal cells of ray parenchyma. Body ray cells procumbe Septate fibers present.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
This species has a pleasant smell.
Color
The heartwood and sapwood are distinct. The sapwood is yellowish-brown and the heartwood dark yellowish-brown color.
Grano
The grain is mostly irregular
Veta
The texture of the wood is medium.
Brillo
This wood is commonly of moderate luster.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.73
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.82
Contracción Tangencial Total (Saturado hasta anhidro) (%)
9.1
Contracción Radial Total (Saturado hasta anhidro) (%)
5.3
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.7
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1688
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
179000
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
872
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
130
Cizallamiento radial CH12% (kgf/cm²)
171
Dureza Janka (lados) CH12% (kgf)
916
Dureza Janka (extremos) CH12% (kgf)
1077
TRABAJABILIDAD
Cepillado
Planing operations are reported as fair, with bad finishing because of grain tearing.
Taladrado
Boring is reported to be easy, with good finishing. Sometimes torn and fuzzy surfaces are also reported.
Lijado
Sanding is rated as fair, with bad finishing. Fuzzy surfaces are reported.
Facilidad para herramientas manuales
It is difficult to cut.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, boards, NAVAL CONSTRUCTION, boats
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
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
Botes
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
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