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MATOA (Pometia pinnata)
Trade Name
Matoa
Scientific Name
Pometia pinnata J.R. Forst. & G. Forst.
Family
Sapindaceae
Common Names
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 Of The Tree
Botanical Description
It is a medium-sized to fairly large tree up to 40 m tall, with boles up to 100 cm in diameter.
Natural Habitat
Pometia pinnata is reported in primary and secondary forests up to 500 m of altitude.
Natural Distribution
It is one of the most common species in the Solomon Islands.
Wood Identification
Anatomic Description Of Wood
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.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
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.
COLOR INDEX (1=Black, 7=Light yellow,white)
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.
Natural Durability
It is moderately durable in contact with the ground.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Silica Content
Silica Content: It is non-siliceous. Silica Value: 0
Resistance To Impregnation
The heartwood is very resistant to preservative treatment. The sapwood is moderately permeable.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.67
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.75
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.1
Total shrinkage Radial (Saturated to 0%MC) (%)
5.6
Drying Defects
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.
Recommended Dry Kiln Schedule
JP-16
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.5
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1126
Stiffness (MOE) 12%MC (kgf/cm²)
146976
Compression parallel to fiber 12%MC (kgf/cm²)
529
Compression perpendicular to fiber 12%MC (kgf/cm²)
90
Shear strength radial 12%MC (kgf/cm²)
128
Janka hardness (side) 12%MC (kgf)
512
Janka hardness (end grain) 12%MC (kgf)
686
Workability
Sawing
It is easy to machine when it is green, but slightly difficult to saw and cross cut when air-dried.
Rotary Veneer Cutting
It is suitable for peeling if steamed.
Sliced Veneer
It is suitable for peeling if steamed.
Blunting Effect
Wood of this species exerts a slight blunting effect on the cutting tools.
Machining
Special cutters are required.
Planing
Planing of this species is reported to be easy.
Turning
30
Boring
It is easy to bore.
Mortising
Mortising of this species is reported to be difficult.
Nailing
The timber can be nailed without difficulty although occasional splitting does occur. It has good nail-holding capacity.
Gluing
The use of urea-formaldehyde glues is recommended.
Sanding
This species is reported to be easy to sand.
Finishing
Rough surfaces, improved by preparation with filler.
Staining
Wood of this species is easy to stain.
Coatings
It is easy to paint or varnish.
Polishing
Polishing of this species is reportedly easy.
Steam Bending
This species is reported to have a good to moderate response to steam bending.
REFERENCED USES
End Uses Summary
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
Crossties
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Turning
- 30 - Embassy of Honduras in Japan
Bending
- 35 - Embassy of Myanmar in Japan
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Club Golfpolo
- 39 - Internet
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Containers
- 50 - Properties of imported tropical woods
Cooperage
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Hulls
- 57 - Estadísticas de Aprovechamiento, Exportación y comercialización Nacional de Productos Forestales
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Paper
- 82 - Compilation of Data on the Mechanical Properties of Foreign woods (Part 2) Central and South America.
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