RENGAS (Gluta wallichii)
Nombre comercial
Rengas
Nombre científico (con autor)
Gluta wallichii (Hook.f.) Ding Hou
Familia
ANACARDIACEAE
Nombres Comunes
Rengas (United States of America); Rengas merah (Indonesia); Rengas (United Kingdom); Thitsi (Myanmar); Rengas perau (Indonesia); Rengas pendek (Indonesia); Rak (Thailand); Rengas (Sweden); Son (Vietnam); Borneo rosewood (United Kingdom); Rengas (Spain); Rengas (Netherlands); Rengas (Malaysia); Gluta (India); Rengas (France); Rengas (Italy); Rengas (Indonesia); Rengas (Sarawak); Rengas betul (Indonesia); Rengas (Germany)
Nombres científicos sinónimos (con autores)
Melanorrhoea woodsiana Scort. Ex King; Melanorrhoea wallichii Hook.f.; Melanorrhoea maingayi Hook.f.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a large evergreen tree, up to 45 m tall and 90 cm in diameter. Buttresses up to 4 m high are reported. This species yields a latex which is made into black lacquer, it is also poisonous and causes severe skin irritation.
Hábitat natural
It is widely distributed in mixed dipterocarp forests and swamp forests, up to 1,000 m of altitude. In Malaysia it is common on hillsides, in Sumatra it is co-dominant in peat swamp forests.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Axial parenchyma confluent. Rays less than 4 per mm (rare). Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Septate fibers present. Fibers with distinctly bordered pits.
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Foto macroscópica de la madera, plano radial
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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 sapwood is clearly differentiated, white to pale yellow. The heartwood is dark reddish brown or deep blood red shiny marked with dark streaks.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
5
Grano
It is partly straight, partly wavy, interlocked.
Veta
Texture is mostly fine to medium.
Brillo
The wood surface is moderate in luster.
Durabilidad Natural
The sapwood rapidly discolors and attacked by insects if unprotected.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
4
Dificultad para impregnar
It is difficult to impregnate.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.60
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.66
Defectos por secado
Ease of Drying: Air seasoning is reported without degrade. Boards of 13 mm and 38 mm thick take respectively 2.5 months and 3.5 months to air dry.
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
TRABAJABILIDAD
Aserrado
Cutting resistance is generally low.
Corte de chapa rotativa
For good results in slicing, steaming is required.
Chapa tranchada
For good results in slicing, steaming is required.
Maquinado general
It is easy to machine.
Torneado
30
Clavado
This species is reported to have a good nailing behavior.
Encolado
The timber is reported to glue well.
Acabado
Wood of this species is easy to finish.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, beams, flooring, FURNITURE AND CABINETS, luxury furniture, PLYWOOD AND VENEER, faces, Decorative veneer, TURNING, TOOLS, tool handles, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, handicrafts
VIVIENDA GENERAL
- 10 - Silica in Timbers
vigas
- 11 - Prospect: The wood database
Pisos
- 14 - Handbook of Hardwoods
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Muebles finos
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
Caras
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
chapa decorativa
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneado
- 30 - Embassy of Honduras 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)
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
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