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SUNGKAI (Peronema canescens)
Nombre comercial
Sungkai
Nombre científico (con autor)
Peronema canescens Jack
Familia
Verbenaceae
Nombres Comunes
Jati londo (Indonesia); False elder; Sangkae (Thailand); Sakae (Malaysia); Sunkai; Sukai (Malaysia); Koeroes; Cherek; Sungkai (Italy); Sungkai (Sweden); Sungkai (Indonesia); Sungkai (Netherlands); Sungkai (Germany); Kurus (United States of America); Kurus (Germany); Sungkai (United Kingdom); Sungkih (Sumatra); Sungkai (Borneo); Jati sabrang (Indonesia); Sungkai (United States of America); Sungkai (France); Kurus (United Kingdom); Sungkai (Spain)
Nombres científicos sinónimos (con autores)
Peronema heterophyllum Miq.
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is an evergreen or deciduous shrub or small to medium-sized tree up to 20 m tall. The bole is mostly straight, branchless for up to 9 m, up to 70 cm in diameter, usually with small buttresses. The root system is superficial, with a short taproot.
Hábitat natural
Peronema canescens is common in secondary forests and in open country. It grows best in moist to wet sites in an altitudinal range between 600 to 900 m.
Existencia de plantaciones?
Plantations of this species are reported in Indonesia, Thailand and Malaysia.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood semi-ring porous and/or ring porous. Vessels exclusively solitary (over 90%). Helical thickenings in vessel elements present. Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or les Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III).
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Color
The heartwood and sapwood are indistinct and yellow or light brown in color.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
5
Grano
The grain is usually straight, but sometimes wavy grain is also reported.
Veta
The wood is reported to be moderately fine to moderately coarse.
Durabilidad Natural
This species is reportedly moderately durable. It is moderately resistant against termites but it is attacked by pinhole borers.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Internal growth stresses
significant residual stresses are reported for this species.
Contenido de sílice
Silica Content: Presence of silica is reported in timber of this species. Amounts over 0.05% may affect the wood processing. Silica Value: 0
Dificultad para impregnar
This timber can be impregnated without difficulty.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.58
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.64
Contracción Tangencial Total (Saturado hasta anhidro) (%)
7.7
Contracción Radial Total (Saturado hasta anhidro) (%)
5.3
Defectos por secado
Ease of Drying: Air drying is reported to be fairly slow. Air drying of boards 15 mm thick takes 4 months, and of boards 40 mm thick 5 months. Drying Defects: Slight cupping, bowing and end-checking may occur.
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
1.5
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
606
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
83083
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
317
Cizallamiento radial CH12% (kgf/cm²)
56
Dureza Janka (lados) CH12% (kgf)
258
Dureza Janka (extremos) CH12% (kgf)
302
TRABAJABILIDAD
Aserrado
This species is moderately easy to saw.
Corte de chapa rotativa
This species is reported to be interesting for lamination.
Chapa tranchada
This species is reported to be interesting for lamination.
Pérdida de filo_romado
Wood of this species exerts a moderate blunting effect on the cutting tools due to the presence of silica crystals.
Maquinado general
Machining operations are reported to give moderate results.
Cepillado
Planing operations are reported to be fair.
Moldurado
The response of this species to molding operations is fair.
Taladrado
It is easy to bore.
Encolado
This species is easy to glue.
Lijado
It is easy to sand.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, FURNITURE AND CABINETS, PLYWOOD AND VENEER, CONTAINERS, truck bodies, truck flooring
VIVIENDA GENERAL
- 10 - Silica in Timbers
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
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
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