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MATOA (Pometia pinnata)
Nom commercial
Matoa
Nom scientifique (avec auteur)
Pometia pinnata J.R. Forst. & G. Forst.
Famille
Sapindaceae
Noms communs (pays)
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)
DESCRIPTION DE L'ARBRE
Description botanique
It is a medium-sized to fairly large tree up to 40 m tall, with boles up to 100 cm in diameter.
Habitat naturel
Pometia pinnata is reported in primary and secondary forests up to 500 m of altitude.
Répartition naturelle
It is one of the most common species in the Solomon Islands.
IDENTIFICATION DU BOIS
Description anatomique du bois
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.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
It has no taste or odor.
Teinte
The sapwood is slight pinkish red, not sharply differentiated. The fresh cut of heartwood varies from pink-red to reddish brown, darkens.
Index de Teinte (1 = Noir, 7 = Jaune clair)
5
Grain
The grain is straight, sometimes interlocked.
Texture
The texture varies from moderately fine to moderately coarse.
Luster
This wood is commonly of low luster.
Durabilité naturelle
It is moderately durable in contact with the ground.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
3
Teneur en silice
Silica Content: It is non-siliceous. Silica Value: 0
Résistance à l'imprégnation
The heartwood is very resistant to preservative treatment. The sapwood is moderately permeable.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.67
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.75
Retrait tangentiel total (saturé à 0%TH) (%)
8.1
Retrait radial total (saturé à 0%TH) (%)
5.6
Défauts dus au séchage
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.
Calendrier de séchage en séchoir recommandé
JP-16
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.5
Calendrier de séchage en séchoir
http://www.tropicaltimber.info/wp-content/uploads/2015/09/KD_Japanese_ENG.pdf
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1126
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
146976
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
529
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
90
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
128
Dureté Janka (latérale) 12%TH (kgf)
512
Dureté Janka (extrémités) 12%TH (kgf)
686
OUVRABILITÉ
Sciage
It is easy to machine when it is green, but slightly difficult to saw and cross cut when air-dried.
Coupe de placage de déroulage
It is suitable for peeling if steamed.
Placage tranche
It is suitable for peeling if steamed.
Effet d'émoussement
Wood of this species exerts a slight blunting effect on the cutting tools.
Usinage
Special cutters are required.
Rabotage
Planing of this species is reported to be easy.
Tournage
30
Perçage
It is easy to bore.
Mortaisage
Mortising of this species is reported to be difficult.
Clouage
The timber can be nailed without difficulty although occasional splitting does occur. It has good nail-holding capacity.
Collage
The use of urea-formaldehyde glues is recommended.
Ponçage
This species is reported to be easy to sand.
Finissage
Rough surfaces, improved by preparation with filler.
Teinture
Wood of this species is easy to stain.
Applications d'un revêtement
It is easy to paint or varnish.
Polissage
Polishing of this species is reportedly easy.
Cintrage à la vapeur
This species is reported to have a good to moderate response to steam bending.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
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
Traverses de chemin de fer
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Pouters
- 11 - Prospect: The wood database
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Planchers
- 14 - Handbook of Hardwoods
Cadres
- 16 - Woods of the World
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Tournage
- 30 - Embassy of Honduras in Japan
Résistance à la flexion
- 35 - Embassy of Myanmar in Japan
SPORTS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Crosses golf
- 39 - Internet
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Outils_agric
- 44 - Atlas of Peruvian Woods
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
CONTENANTS
- 50 - Properties of imported tropical woods
Tonnellerie
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
Carros_camion
- 53 - Timbers of the New World
Wagons
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
Navires_coques
- 57 - Estadísticas de Aprovechamiento, Exportación y comercialización Nacional de Productos Forestales
Artisanat
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Moulures
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Papier
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
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