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FALCATA (Paraserianthes falcataria)
Trade Name
Falcata
Scientific Name
Paraserianthes falcataria (L.) I.C. Nielsen
Family
LEGUMINOSAE
Common Names
White albizia (Papua New Guinea); Jeung jing (Indonesia); Sengon laut (Indonesia); Batai (Sabah); Batai (Borneo); Kayu machis (Sarawak); Batai (Sarawak); Sengun (Malaysia); Jinling (Malaysia); Batai (Malaysia); Moluccan san (Philippines)
Scientific Name Synonyms
Adenanthera falcataria L.
Description Of The Tree
Botanical Description
It is a medium-sized to fairly large tree up to 40 m tall. The bole is branchless for up to 20 m and up to 100 cm or sometimes more in diameter.
Natural Habitat
Paraserianthes falcataria is reported in primary, but more often in secondary forests and on river flood terraces, from the sea level up to 2,300 m of altitude.
Plantations Available?
Paraserianthes falcataria is widely planted throughout the tropics. Plantations are reported in Indonesia and Malaysia.
Wood Identification
Anatomic Description Of Wood
Vestured pits. 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. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Rays exclusively uniseriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent).
Availability
Cites Status
Unrestricted
General Wood Description
Color
The color of the heartwood ranges from whitish to pale pinkish-brown or light yellowish to reddish-brown( in older trees)
Grain
The grain is straight or interlocked
Texture
The texture is moderately coarse and even.
Natural Durability
The wood is not durable when used outside. It is often highly vulnerable to attack by termites, powder-post beetles and fungi.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Internal Growth Stresses
Residual stresses present in the wood may cause defects while processing the timber.
Silica Content
Silica Value: 0
Resistance To Impregnation
This species is reported to be easy to preserve.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.35
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.37
Total shrinkage Tangential (Saturated to 0%MC) (%)
5.9
Total shrinkage Radial (Saturated to 0%MC) (%)
3.0
Recommended Dry Kiln Schedule
UK-F; US-T6-D4
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.0
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
535
Stiffness (MOE) 12%MC (kgf/cm²)
68222
Compression parallel to fiber 12%MC (kgf/cm²)
380
Shear strength radial 12%MC (kgf/cm²)
56
Janka hardness (side) 12%MC (kgf)
162
Janka hardness (end grain) 12%MC (kgf)
222
Workability
Sawing
Although the wood is non-siliceous, it is reported to be abrasive to saws due to pinching and subsequent burning of saw-teeth as a result of residual stresses relieved in the wood.
Rotary Veneer Cutting
The veneer produced is of good quality, light and smooth, with curly figure, and can be dried easily.
Sliced Veneer
The veneer produced is of good quality, light and smooth, with curly figure, and can be dried easily.
Machining
It is easy to work with machines and hand tools.
Planing
Sharp knives are needed to produce smooth surfaces, if not, grain may pick up badly after planing, especially on radial surfaces. Best planing results are obtained when a 20 degrees cutting angle is used.
Moulding
Molding operations are reportedly easy, but tension wood, if present, will give woolly surfaces.
Turning
30
Boring
It is easy to bore.
Mortising
Mortising is reported to be easy.
Nailing
Nailing properties are rather poor.
Gluing
This species is easy to glue.
Sanding
Sanding properties are rated as fair to difficult.
Polishing
This species has a fair to difficult behavior in polishing.
Response To Hand Tools
This species is easy to work with hand tools.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, panelling, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, TURNING, PACKING, light packing, pallets, OTHER AND MUSICAL INSTRUMENTS, handicrafts, cigar boxes, shoes, matches, moldings, paper
General Housing
- 10 - Silica in Timbers
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Turning
- 30 - Embassy of Honduras in Japan
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Light Packing
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
Pallets
- 48 - The strength properties of timbers
Other & Musical Instruments
- 63 - Madeiras do Brazil II
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Cigar Box
- 68 - Contribucion al conocimiento de la resistencia mecanica de la madera de peumo
Shoes
- 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
Matches
- 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
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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