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KEDONDONG (Santiria laevigata)
Nombre comercial
Kedondong
Nombre científico (con autor)
Santiria laevigata Blume
Familia
BURSERACEAE
Nombres Comunes
Kerantai (Sabah); Kedondong kerantai lichin (Malaysia); Tapi-tapi (Indonesia); Kambajau burung (Indonesia); Pegah kabu-kabu (Indonesia); Berambang (Sarawak); Kiharpan (Indonesia); Kenari (Indonesia); Ma-kerm (Thailand); Upi (Sarawak); Pili (Philippines); Dulit (Philippines); Dhup (Andaman Islands); Kenari (Andaman Islands); Dhuwhite (India); White dhup (India); Cham (Vietnam); Medongdong (Indonesia); Kedongdong (Malaysia)
Nombres científicos sinónimos (con autores)
Santiria violaceae H.J. Lam; Santiria rufescens Blume
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a medium-sized to large tree up to 45 m tall. The bole is up to 90 cm in diameter, with buttresses up to 4 m high.
Hábitat natural
Santiria laevigata is common in lowland forests, sometimes also found in peat swamp forests, up to 1,500 m of altitude.
Distribución natural
It is distributed in peninsular Malaysia, Sumatra, Banka, and Borneo.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Tyloses common. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Intervessel pits large, 10 micras or more. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma in narrow bands on lines up to 3 cells wide. Rays exclusively uniseriate. Silica bodies in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers very thick walled.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
Freshly cut timber has a vinegar-like smell.
Color
The sapwood varies from light pale pink to yellowish-gray. The heartwood is yellow-green-brown.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
4
Grano
It is shallowly to deeply interlocked.
Veta
The wood is mostly medium in texture.
Durabilidad Natural
It is perishable and prone to blue stain. It is also quickly attacked by bark beetles, false powder-post beetles and Lyctus. Early protection is recommended.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
5
Contenido de sílice
Silica Content: This timber is reported to have silica. Silica contents over 0.05% may affect wood processing. Silica Value: 0
Dificultad para impregnar
The heartwood is reported to be extremely resistant to preservative treatment, but the sapwood is moderately permeable.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.55
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.60
Contracción Tangencial Total (Saturado hasta anhidro) (%)
12.2
Contracción Radial Total (Saturado hasta anhidro) (%)
7.4
Defectos por secado
Ease of Drying: Drying is moderately difficult to difficult; special care is systematically needed. Drying Defects: Risks of checks and distortions when interlocked grain is present. Kiln Schedules: Schedule proposed as a reference by comparison with well known species taking into account to the general technological behavior of this species.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.6
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
973
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
125847
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
515
Cizallamiento radial CH12% (kgf/cm²)
130
Dureza Janka (lados) CH12% (kgf)
510
TRABAJABILIDAD
Aserrado
Cutting resistance is generally high.
Corte de chapa rotativa
This species can be used for lamination.
Chapa tranchada
This species can be used for lamination.
Pérdida de filo_romado
It is considered to have a severe blunting effect on the cutting elements.
Maquinado general
Machining operations are rather difficult.
Cepillado
Planing operations are rated as fair to difficult.
Torneado
30
Taladrado
The response of this species to boring operations is fair to bad.
Especies sustitutas
The timber is reported to be similar to Aiele (Canarium schweinfurthii)
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, beams, boards, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, SPORTS, TOOLS, tool handles, PACKING, pallets, OTHER AND MUSICAL INSTRUMENTS, particleboard
VIVIENDA GENERAL
- 10 - Silica in Timbers
vigas
- 11 - Prospect: The wood database
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
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
Torneado
- 30 - Embassy of Honduras in Japan
IMPLEMENTOS DEPORTIVOS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
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
Pallets
- 48 - The strength properties of timbers
Tablero de partículas
- 80 - Estudio Integral de la Madera para Construcción
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