BACURI (Platonia insignis)
Nombre comercial
Bacuri
Nombre científico (con autor)
Platonia insignis Mart.
Familia
CLUSIACEAE
Nombres Comunes
Ussa fouka; Parcouri soufre; Parcouri jaune; Paracouril; Pakvri; Pakoueli; Pahoorie; Pacuru; Matoumani; Matazana; Matazama; Manilparcouri; Manil; Mango mataaki; Ibacuri; Bacury-guazu; Bacuri-acu; Bacoropary; Geelhart; Pakoeli; Wild Mammee Apple; Bacury; Pakuri; Parcouri; Bacupary
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It attains heights from 15 to 30 m, with a diameter at breast height between 60 to 80 cm.
Hábitat natural
Platonia insignis is found in open areas in secondary forests, rarely in primary forests. It grows in almost pure stands on a wide range of soils, but always on humid areas. It is reported to be abundant in the low Amazonas and the Marajo island.
Distribución natural
This species occurs in the Amazonia.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray Axial parenchyma apparent with the naked eye. Axial parenchyma in thick bands. Occasionally prismatic crystals in non-chambered axial parenchyma cells. 5 to 8 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide. Axial parenchyma bands un 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Occasionally prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. 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
Color
The heartwood is usually yellow brown to orange brown in color with grayish streaks, distinct from the yellowish white sapwood.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
The grain is frequently straight.
Veta
Texture is usually medium to coarse.
Brillo
The wood surface is described as moderate in luster.
Durabilidad Natural
It is durable against fungi attack. This species is rated as resistant against termite attack. It is not attacked by Lyctus.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
2
Dificultad para impregnar
It is reported to be slightly permeable to preservative solutions.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.75
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.85
Contracción Tangencial Total (Saturado hasta anhidro) (%)
10.3
Contracción Radial Total (Saturado hasta anhidro) (%)
5.8
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.8
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
1881
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
191243
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
719
Cizallamiento radial CH12% (kgf/cm²)
71
TRABAJABILIDAD
Aserrado
Sawmilling of this species is reportedly difficult.
Corte de chapa rotativa
This species is interesting for slicing.
Chapa tranchada
This species is interesting for slicing.
Pérdida de filo_romado
It has a slight to moderate blunting effect on the cutting tools.
Cepillado
Planing operations have no difficulty or difficulties due to hardness.
Torneado
30
Clavado
Pre-boring is necessary.
Encolado
The timber is reported to glue well.
Sacar lustre
Polishing of this species is reportedly easy.
Facilidad para herramientas manuales
It responds fairly well with hand tools.
Usos Reportados
USOS FINALES (RESUMEN)
EXTERIOR GENERAL, paling, stakes posts, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, common veneer, TURNING, turned furniture, cutlery, TOOLS, tool handles, PACKING, heavy packing, pallets, CONTAINERS, cooperage, truck bodies, truck flooring, NAVAL CONSTRUCTION
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Poste de palizada
- 4 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas da bicuiba
Postes cerca
- 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
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
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles comunes
- 23 - Handbook of Hardwoods
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
Chapa rotativa
- 29 - Embassy of Ecuador in Japan
Torneado
- 30 - Embassy of Honduras 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)
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Envase pesado
- 47 - Arvores Brasileiras
Pallets
- 48 - The strength properties of timbers
CONTENEDORES
- 50 - Properties of imported tropical woods
Duelas toneles
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
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
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