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SAQUI-SAQUI, CEIBA TOLUA (Bombacopsis quinata)
Nombre comercial
Saqui-saqui, Ceiba tolua
Nombre científico (con autor)
Bombacopsis quinata (Jacq.) Dugand
Familia
BOMBACACEAE
Nombres Comunes
Tolua; Tolu; Sumauma de tirra ferme; Sumauma; Coton; Ceiba tolua; Ceiba del tolu; Ceiba colarado; Cedrillo; Cartageno; Cedro Macho (Costa Rica); Huimba (Perú); Ceiba (Ecuador); Ceiba Colorada; Caoba Bastarda; Cedro Dulce (Venezuela); Saqui-Saqui (Venezuela); Pochote; Murea (Venezuela); Ceiba Tolúa (Colombia); Cedro Macho (Colombia); Cedro Espinoso (Panama); Cedro Espino; Sumauma De Tierra Firme; Saqui; Lanillo; Masguara; Jaris; Ceiba Tolú; Ceiba Macho; Espinoso; Mahot Coton (United States of America)
Nombres científicos sinónimos (con autores)
Pachira quinata (Jacq.) W.S. Alverson; Bombax quinatum Jacq
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is reported to attain heights of up to 40 m, with cylindrical and straight boles up to 20 m long. The diameter is commonly 80 cm in diameter. The tree is covered with prickles, and it usually develops irregular stems.
Hábitat natural
Bombacopsis quinata is found in tropical rain forests, in well drained soils, on the upper slopes of hills and ridges. Burning, overexploitation of the timber and increasing settlement and conversion of the habitat for agriculture are causing population a
Distribución natural
This species is found from southern Honduras to northern Colombia and Venezuela, it occurs in the more open forests of Nicaragua, Costa Rica, and Panama.
Existencia de plantaciones?
The species is grown in small-scale species trials in Kenya and the Solomon Islands.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Wood diffuse porous. Vessels solitary and in short radial multiples. 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 larger than the intervessel pits Occasionally axial parenchyma in marginal or in seemingly marginal bands. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma storied. Prismatic crystals in non-chambered axial parenchyma cells. Occasionally prismatic crystals 4 to 10 rays per mm (medium). Occasionally rays storied. Larger rays more than 4 seriate. Occasionally prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with one row of upright and/or squa Septate fibers present. Fibers with simple to minutely bordered pits.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
It has no discernible odor.
Color
The sapwood is pale yellow-white in color, it is distinct from the heartwood. The heartwood is reddish brown.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
5
Grano
The grain is straight to interlocked.
Veta
The wood is coarse textured.
Brillo
Luster is described as medium.
Durabilidad Natural
It is resistant to white-rot fungi and very durable to brown-rot fungi, but vulnerable to attack by dry-wood and subterranean termites. It has good resistance to marine borers.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Dificultad para impregnar
The heartwood is very difficult to treat with preservatives. The sapwood is moderately permeable with irregular penetration.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.47
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.51
Contracción Tangencial Total (Saturado hasta anhidro) (%)
5.7
Contracción Radial Total (Saturado hasta anhidro) (%)
3.7
Defectos por secado
Ease of Drying: Drying is reported to be rapid with almost no degrade.
Calendario de Secado
JUNAC-A
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)
714
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
97956
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
393
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
48
Cizallamiento radial CH12% (kgf/cm²)
58
Dureza Janka (lados) CH12% (kgf)
299
Dureza Janka (extremos) CH12% (kgf)
379
TRABAJABILIDAD
Aserrado
The wood is reported to have low resistance to cutting.
Corte de chapa rotativa
This species is interesting for peeling.
Chapa tranchada
This species is interesting for peeling.
Pérdida de filo_romado
Blunting effect on cutting edges is rated as slight.
Cepillado
Planing characteristics are reported to be good.
Taladrado
The wood is reported to have good boring properties.
Clavado
It has good nailing characteristics, with good nail holding.
Encolado
The wood is reported to glue well.
Lijado
Sanding properties are reported to be very good.
Acabado
It is reported to yield smooth surfaces in finishing.
Barnizado
Staining properties are rated as good.
Facilidad para herramientas manuales
Response to hand tools is rated as good.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, panelling, fittings, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, common veneer, OTHER AND MUSICAL INSTRUMENTS, matches, moldings, particleboard, cementboard
VIVIENDA GENERAL
- 10 - Silica in Timbers
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
Accesorios de madera
- 19 - Silica in Timbers
Persianas
- 20 - Prospect: The wood database
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
Chapa rotativa
- 29 - Embassy of Ecuador in Japan
Cerillas
- 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Molduras
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Tablero de partículas
- 80 - Estudio Integral de la Madera para Construcción
Cementboard
- 81 - Madeiras da Amazônia: descrição do lenho de 40 espécies ocorrentes na Floresta Nacional do Tapajós
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