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TERAP (Artocarpus elasticus)
Nombre comercial
Terap
Nombre científico (con autor)
Artocarpus elastica Reinw.
Familia
MORACEAE
Nombres Comunes
Teureup (Indonesia); Terap; Malagumihan (Philippines); Kumbu (Indonesia); Teo mongkuni (Indonesia); Tipulu (Indonesia); Kumut (Indonesia)
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a medium-sized evergreen tree rarely reaching 45 m tall. The bole is branchless for up to 30 m and up to 125 cm in diameter. The buttresses are up to 3 m high.
Hábitat natural
Artocarpus elasticus occurs in evergreen and deciduous primary and secondary forests, in a range between 300 to 1,500 m of altitude.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Vessels per mm2 less than 6 (rare). Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Axial parenchyma aliform. Axial parenchyma confluent. 4 to 10 rays per mm (medium). Larger rays more than 4 seriate. Sheath cells. Oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kri Septate fibers present. Fibers with distinctly bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
It has no taste or odor.
Color
The sapwood is well differentiated, almost white. The heartwood varies from yellow to light yellowish brown, partly with orange shimmer.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
3
Grano
It presents interlocked grain.
Veta
Its texture is medium to coarse, its vessels partly are filled with whitish deposits.
Brillo
It is moderately lustrous.
Durabilidad Natural
It is non-durable when exposed to the weather or in contact with the ground.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
5
Internal growth stresses
Significant growth stresses are reported for this species.
Contenido de sílice
Silica Content: Silica is generally absent. Silica Value: 0
Dificultad para impregnar
The heartwood is very difficult to impregnate, sapwood absorbs preservatives readily.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.45
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.49
Defectos por secado
Ease of Drying: Air drying is reported to be good.
Calendario de Secado
JP-25
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
510
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
81215
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
278
Cizallamiento radial CH12% (kgf/cm²)
53
Dureza Janka (lados) CH12% (kgf)
394
Dureza Janka (extremos) CH12% (kgf)
236
TRABAJABILIDAD
Aserrado
Cutting operations are generally easy unless interlocked grain is found.
Corte de chapa rotativa
This timber is reported to be suitable for lamination.
Chapa tranchada
This timber is reported to be suitable for lamination.
Maquinado general
Wood processing is reported to be easy.
Cepillado
The wood can be planed to a smooth surface, but there is some picking up on the radial face.
Torneado
30
Taladrado
Boring operations are rather easy.
Clavado
Nailing properties are good.
Encolado
The timber is reported to glue well.
Acabado
Finishing is easy but the surfaces are rough even if filled.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, boards, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, cores, TURNING, PACKING, pallets, OTHER AND MUSICAL INSTRUMENTS, handicrafts
VIVIENDA GENERAL
- 10 - Silica in Timbers
Tablas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
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
Almas
- 27 - Embassy of Brazil in Japan
Torneado
- 30 - Embassy of Honduras in Japan
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Pallets
- 48 - The strength properties of timbers
OTROS E INSTRUMENTOS MUSICALES
- 63 - Madeiras do Brazil II
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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