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MATOA (Pometia pinnata)
Nombre comercial
Matoa
Nombre científico (con autor)
Pometia pinnata J.R. Forst. & G. Forst.
Familia
Sapindaceae
Nombres Comunes
Agupanga (Philippines); Kasai (United States of America); Kasai (France); Kasai (Germany); Matoa (Indonesia); Kasai (Sabah); Sibu (Sarawak); Kasai (Sarawak); Kasai (Spain); Kasai (Italy); Truong (Vietnam); Malugai (Philippines); Taun (Papua New Guinea); Kasai (United Kingdom); Taun (United Kingdom); Taun (Solomon Islands); Kasai (Malaysia); Tungaui (Philippines); Megan (United Kingdom); Matoa (United Kingdom)
DESCRIPCIÓN DEL ÁRBOL
Descripción botánica
It is a medium-sized to fairly large tree up to 40 m tall, with boles up to 100 cm in diameter.
Hábitat natural
Pometia pinnata is reported in primary and secondary forests up to 500 m of altitude.
Distribución natural
It is one of the most common species in the Solomon Islands.
IDENTIFICACIÓN DE LA MADERA
Descripción anatómica de la madera
Colored deposits in heartwood vessels. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or less. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma in narrow bands on lines up to 3 cells wide. 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). 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 taste or odor.
Color
The sapwood is slight pinkish red, not sharply differentiated. The fresh cut of heartwood varies from pink-red to reddish brown, darkens.
Indice de Color (1= Negro, violeta; 7= Amarillo claro, blanco)
5
Grano
The grain is straight, sometimes interlocked.
Veta
The texture varies from moderately fine to moderately coarse.
Brillo
This wood is commonly of low luster.
Durabilidad Natural
It is moderately durable in contact with the ground.
Indice de Durabilidad Natural (1=Muy alta, 7=Muy baja)
3
Contenido de sílice
Silica Content: It is non-siliceous. Silica Value: 0
Dificultad para impregnar
The heartwood is very resistant to preservative treatment. The sapwood is moderately permeable.
PROPIEDADES FÍSICAS DE LA MADERA
Densidad Básica (Peso anhidro/Vol. saturado) (g/cm³)
0.67
Densidad seca al aire (Peso y volúmen CH12%) (g/cm³)
0.75
Contracción Tangencial Total (Saturado hasta anhidro) (%)
8.1
Contracción Radial Total (Saturado hasta anhidro) (%)
5.6
Defectos por secado
Ease of Drying: Drying is moderately difficult to difficult; special care is systematically needed. Drying Defects: Risks of checks and distortions. Kiln Schedules: Schedule proposed as a reference by comparison with well known species taking into account to the general technological behavior of this species.
Calendario de Secado
JP-16
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)
1126
Rigidez (Módulo de elasticidad) CH12% (kgf/cm²)
146976
Resistencia a la compresión paralela a la fibra CH12% (kgf/cm²)
529
Resistencia a la compresión perpendicular a la fibra CH12% (kgf/cm²)
90
Cizallamiento radial CH12% (kgf/cm²)
128
Dureza Janka (lados) CH12% (kgf)
512
Dureza Janka (extremos) CH12% (kgf)
686
TRABAJABILIDAD
Aserrado
It is easy to machine when it is green, but slightly difficult to saw and cross cut when air-dried.
Corte de chapa rotativa
It is suitable for peeling if steamed.
Chapa tranchada
It is suitable for peeling if steamed.
Pérdida de filo_romado
Wood of this species exerts a slight blunting effect on the cutting tools.
Maquinado general
Special cutters are required.
Cepillado
Planing of this species is reported to be easy.
Torneado
30
Taladrado
It is easy to bore.
Escopleado, caja y espiga
Mortising of this species is reported to be difficult.
Clavado
The timber can be nailed without difficulty although occasional splitting does occur. It has good nail-holding capacity.
Encolado
The use of urea-formaldehyde glues is recommended.
Lijado
This species is reported to be easy to sand.
Acabado
Rough surfaces, improved by preparation with filler.
Barnizado
Wood of this species is easy to stain.
Recubrimientos
It is easy to paint or varnish.
Sacar lustre
Polishing of this species is reportedly easy.
Doblar al vapor
This species is reported to have a good to moderate response to steam bending.
Usos Reportados
USOS FINALES (RESUMEN)
EXTERIOR GENERAL, crossties, HOUSING GENERAL, beams, boards, flooring, frames, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TURNING, BENDING, SPORTS, golf polo clubs, TOOLS, tool handles, agricultural tools, PACKING, CONTAINERS, cooperage, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat hulls, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings, paper
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Durmientes
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
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
Curvado
- 35 - Embassy of Myanmar in Japan
IMPLEMENTOS DEPORTIVOS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
palos de golf
- 39 - Internet
HERRAMIENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Mangos herramientas
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Mangos agrícolas
- 44 - Atlas of Peruvian Woods
PALLETS_EMBALAJES
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
CONTENEDORES
- 50 - Properties of imported tropical woods
Duelas toneles
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
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
CONSTRUCCIÓN NAVAL
- 55 - Tropical Timber Atlas of Latin America
Botes_cascos
- 57 - Estadísticas de Aprovechamiento, Exportación y comercialización Nacional de Productos Forestales
artesanía
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molduras
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Pulpa_papel
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
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