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PODOCARP (Dacrycarpus imbricatus)
Nombre comercial
Podocarp
Nombre científico (con autor)
Dacrycarpus imbricatus (Blume) de Laub.
Familia
PODOCARPACEAE
Nombres Comunes
Thong nang (Vietnam); Long leng (Laos); Phayamai (Thailand); Pek deng (Laos); Podo chucher atap (Malaysia); Sha-mo-pin (Myanmar); Kayu embun (Indonesia); Jamuju (Indonesia); Phaya-makhampom dong (Thailand); Podo (Malaysia); Black pine (Malaysia); Kayu cin (Malaysia); Melur (Indonesia); Podocarp (Papua New Guinea); Sempinur (Malaysia); Igem (Philippines)
Nombres científicos sinónimos (con autores)
Podocarpus kawaii Hayata; Podocarpus imbricata Blume
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a large, majestic tree up to 50 m tall. The bole is up to 200 cm in diameter.
Hábitat natural
Dacrycarpus imbricatus is found scattered in rain forests from low elevation to about 3,000 m of altitude. It is a canopy or emergent tree in primary forests.
Distribución natural
It occurs in Thailand, Java, Lesser Sunda Islands and occasionally Sulawesi and island of Borneo.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Occasionally axial parenchyma apparent with the naked eye. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. 4 to 10 rays per mm (medium). Occasionally rays exclusively uniseriate.
Disponibilidad
Status de protección por CITES
Unrestricted
DESCRIPCIÓN GENERAL DE LA MADERA
Olor
It has no taste or odor.
Color
The sapwood is hardly distinct, somewhat lighter in color than the heartwood. The heartwood is pale light yellowish brown, darkening to light golden brown, slight greenish tinge.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
7
Grano
This species is reported to have straight grain.
Veta
The wood is frequently reported to be fine textured.
Brillo
The surface of the wood is naturally moderate in luster.
Durabilidad Natural
The natural durability in tropics is extremely doubtful, but fairly durable in moderate climates.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
5
Contenido de sílice
Silica Content: Negligible content of silica is reported. Amounts over 0.05% may affect wood processing. Silica Value: 0
Dificultad para impregnar
The sapwood is permeable, heartwood penetration by preservatives is fair to good.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.50
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.54
Contracción Tangencial Total (Saturado hasta anhidro) (%)
7.4
Contracción Radial Total (Saturado hasta anhidro) (%)
3.8
Defectos por secado
Ease of Drying: Boards 15 mm thick take 2-3 months to air dry. Drying Defects: During drying the timber may be prone to checking and splitting. Kiln Schedules: Boards 25 mm thick can be kiln dried in 10 days from 50% to 10% moisture content.
Calendario de Secado
UK-G
Estabilidad Dimensional (Contracción Total Tangencial %/Contracción Total Radial %)
2.0
PROPIEDADES QUÍMICAS DE LA MADERA
PROPIEDADES MECÁNICAS DE LA MADERA
Resistencia a flexión (Módulo de ruptura) CH12% (kgf/cm²)
795
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
93493
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
479
Cizallamiento radial CH12% (kgf/cm²)
122
Dureza Janka (lados) CH12% (kgf)
363
Dureza Janka (extremos) CH12% (kgf)
570
TRABAJABILIDAD
Aserrado
Cutting resistance is generally low.
Corte de chapa rotativa
The peeling and slicing properties are rated as good with a negligible degrade upon drying. Pretreatment is not needed.
Chapa tranchada
The peeling and slicing properties are rated as good with a negligible degrade upon drying. Pretreatment is not needed.
Maquinado general
This species is easy to machine.
Cepillado
Planing of this species is reported to be easy.
Moldurado
Molding operations are rather easy.
Torneado
30
Taladrado
The response of this species to boring operations is good to fair.
Escopleado, caja y espiga
This species is easy to mortise.
Clavado
Large nails may cause some splitting.
Encolado
It is reported to be easy to glue.
Lijado
It has a good sanding behavior.
Acabado
It has a good finishing.
Barnizado
This species is reported to be easy to stain.
Recubrimientos
It is easy to paint or varnish.
Facilidad para herramientas manuales
It has a good response to hand tools.
Usos Reportados
USOS FINALES (RESUMEN)
HOUSING GENERAL, beams, boards, frames, steps, panelling, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, TURNING, TOOLS, agricultural tools, PACKING, light packing, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS, handicrafts, pencil, matches, axle, moldings
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
Marcos
- 16 - Woods of the World
Peldaños
- 17 - Tree Conservation Database
Paneles
- 18 - W3TROPICOS Missouri Botanical Garden
MUEBLES Y GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Gabinetes
- 24 - Empire Timbers
TABLEROS Y CHAPAS
- 25 - Directory of Timber Trade Malaysia
Torneado
- 30 - Embassy of Honduras in Japan
HERRAMIENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Mangos agrícolas
- 44 - Atlas of Peruvian Woods
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Envase liviano
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
Botes
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Lápiz
- 67 - Maderas latinoamericanas. VIII, Calophyllum brasilense, Couratari panamensis, Dendropanax arboreum y Bombacopsis sessilis
Cerillas
- 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Ejes
- 73 - Handbook of Hardwoods
Molduras
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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