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PAU AMARELO (Euxylophora paraensis)
Nombre comercial
Pau Amarelo
Nombre científico (con autor)
Euxylophora paraensis Huber
Familia
RUTACEAE
Nombres Comunes
Satinwood; Satean wood; Pequia cetim; Pau-cetim; Pau amarello; Pao setim; Pao amarello; Muirataua; Muira-taua; Limao-rana; Cetim; Canary wood; Brazilian satinwood; Boxwood; Bois bresil; Amarelo-cetim; Amarello; Pequia Setim (Brazil); Pau Setim (Brazil); Limão Rana (Brazil); Pau Amarelo (Brazil); Brazilian Satin Wood; Vinhatico De Macacaco (Brazil); Vinhatico De Espino (Brazil); Pau Pará Amarelo (Brazil); Amarelo Vinhatico (Brazil); Amarelo (Brazil); Brazilian Boxwood; Sateen Wood
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a dominant tree, it attains heights of about 40 m and diameters of 100 cm. Bigger sizes are also reported.
Hábitat natural
The natural growth range of this species is reported to be restricted to the non-inundated terra firme forests of the lower Amazon basin in Brazil.Vulnerable(IBAMA,2001)
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 to 150 micras (small). Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. I Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Rays less than 4 per mm (rare). Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Occasionally septate fibers present. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
Odor and taste are reported to be indistinct.
Color
The sapwood and heartwood are not clearly differentiated. The wood is lemon yellow becoming yellowish pale brown color.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
6
Grano
The grain can be straight or interlocked.
Veta
The texture is typically medium to fine.
Brillo
The material is reported to be moderately lustrous.
Durabilidad Natural
E. paraensis has very good resistance to fungi and termites, and good resistance to dry-wood insects.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Dificultad para impregnar
It is reported to be untreatable either with oil or water based preservatives.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.69
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.78
Contracción Tangencial Total (Saturado hasta anhidro) (%)
6.8
Contracción Radial Total (Saturado hasta anhidro) (%)
5.6
Defectos por secado
Drying Defects: Severe checking and moderate warping are reported.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.2
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1172
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
145746
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
715
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
122
Cizallamiento radial CH12% (kgf/cm²)
147
Dureza Janka (lados) CH12% (kgf)
836
Dureza Janka (extremos) CH12% (kgf)
1050
TRABAJABILIDAD
Aserrado
Cutting resistance is generally low.
Pérdida de filo_romado
The wood exerts a slight blunting effect on cutters.
Cepillado
The material is reported to be fairly easy to plane, unless interlocked grain is present.
Torneado
30
Clavado
The wood is easy to nail, but pre-boring is necessary.
Encolado
Gluing properties are rated as satisfactory.
Sacar lustre
Polishing of this wood is easy.
Facilidad para herramientas manuales
Interlocked grain, if present, can present some difficulties.
Usos Reportados
USOS FINALES (RESUMEN)
EXTERIOR GENERAL, bridges, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, common furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, BENDING, chairs, tennis rackets, SPORTS, table tennis, TOOLS, tool handles, agricultural tools, PACKING, heavy packing, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, violin, handicrafts, yoke, door core
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Puentes
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Barandilla
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
Crucetas
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
Durmientes
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
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.
Muebles comunes
- 23 - Handbook of Hardwoods
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
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
Hormas zapato
- 34 - Embassy of Indonesia in Japan
Curvado
- 35 - Embassy of Myanmar in Japan
Sillas
- 36 - Autoridad Nacional del Ambiente, Panama
Raquetas tenis
- 37 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
IMPLEMENTOS DEPORTIVOS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Pin-pong
- 41 - Embassy of the Philippines
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
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Envase pesado
- 47 - Arvores Brasileiras
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.
OTROS E INSTRUMENTOS MUSICALES
- 63 - Madeiras do Brazil II
Violín
- 64 - Maderas latinoamericanas. V. Carapa sp., Virola koschnyi, Terminalia lucida y Brosimum costaricanum.
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Yokes
- 74 - World Timbers, Vol.2, North and South America
Alma de puerta
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
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