KELAT (Syzygium effusum)
Nombre comercial
Kelat
Nombre científico (con autor)
Syzygium effusum (A. Gray) Mull. Stuttg.
Familia
MYRTACEAE
Nombres Comunes
Obar (Sabah); Obar (Sarawak); Jaman (Indonesia); Jambu (Indonesia); Tram (Cambodia); Thabye (Myanmar); Common kelat (Malaysia); Nir-naval (Indonesia); Chomphu (Thailand); Plong (Cambodia); Water gum (Papua New Guinea); Makasim (Philippines); Jaman (India); Echter jaman (Germany); Black kelat (Malaysia); Meralu (Indonesia); Plong (Vietnam); Tram (Vietnam)
Nombres científicos sinónimos (con autores)
Syzygium sylvanum (Ridley) Merr. & Perry; Syzygium obtusum Merr. & Perry; Syzygium niviferum (Greves) Merr. & Perry; Syzygium leucoderme Diels; Eugenia effusa A. Gray
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a medium-sized tree up to 33 m tall. The bole is up to 50 cm in diameter.
Hábitat natural
Syzygium effusum grows in primary rain forests, up to 2,800 m of altitude.
Usos No-maderables
The wood is rich in tannins.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Vestured pits. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in chambered axial parenchyma 4 to 10 rays per mm (medium). Rays of two distinct sizes. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers very thick walled. Fibers with distinctly 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 pale brown to purplish brown color, with a purplish tinge. The sapwood is paler in color.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
It is reported to have wavy, interlocked or irregular grain.
Veta
Texture is reported to be fine moderately fine and even.
Brillo
It is non-lustrous.
Dificultad para impregnar
The heartwood is reportedly impermeable, but the sapwood is more amenable to preservative treatment.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.67
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.75
Contracción Tangencial Total (Saturado hasta anhidro) (%)
13.7
Contracción Radial Total (Saturado hasta anhidro) (%)
7.7
Defectos por secado
Ease of Drying: Drying is moderately difficult to difficult; special care is systematically needed. Drying Defects: No particular risks of drying defects, subject to normal drying conditions. Kiln Schedules: Schedule proposed as a reference by comparison with well known species taking into account to the general technological behavior of this species.
Calendario de Secado
UK-C
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.8
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
TRABAJABILIDAD
Aserrado
Cutting behavior is reported to be easy to fair.
Corte de chapa rotativa
This species is reported to have good characteristics for lamination.
Chapa tranchada
This species is reported to have good characteristics for lamination.
Maquinado general
This species is easy to machine.
Cepillado
This species is easy to plane. A very good surface can be obtained with a 35 degrees rake angle.
Moldurado
Molding is reported to be easy.
Taladrado
Boring is reported to be fair to difficult.
Escopleado, caja y espiga
Mortising is reported to be easy.
Clavado
Pre-boring is required.
Encolado
This species is easy to glue.
Lijado
Sanding of this species is reportedly easy.
Acabado
This species is reported to be easy to finish.
Barnizado
Staining of this wood is easy.
Recubrimientos
It paints and varnishes well.
Sacar lustre
It has a good polishing.
Usos Reportados
USOS FINALES (RESUMEN)
EXTERIOR GENERAL, bridges, poles, stakes posts, crossties, HOUSING GENERAL, beams, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TOOLS, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION
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
Postes de transmisión
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Postes cerca
- 5 - Propriedades fisicas e mecanicas da madeira e do contraplacado de Pinus elliottii
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
Pisos
- 14 - Handbook of Hardwoods
Marcos
- 16 - Woods of the World
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
HERRAMIENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
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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