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BALIK ANGIN (Mallotus floribundus)
Trade Name
Balik angin
Scientific Name
Mallotus floribundus (Blume) Mull. Arg.
Family
EUPHORBIACEAE
Common Names
Balik angin; Bow lasch (Vietnam); Bajch dafn (Vietnam); Nakau (Indonesia); Pik (Thailand); Tapen (Indonesia); Lo khon (Thailand); Nakau (Sumatra); Malotus mrambokan (Sabah); Blue blade; Maya-maya (Malaysia); Prik (Thailand); Pasu-pasu (Malaysia); Taung kado (Myanmar); Tula-tula (Philippines)
Scientific Name Synonyms
Mallotus anamiticus O. Kuntze
Description Of The Tree
Botanical Description
It is a small to medium sized tree, up to 25 m tall. The bole is straight to sinuous, up to 50 cm in diameter, occasionally with short or steep buttresses.
Natural Habitat
Mallotus trees are reported in primary evergreen rain forest, up to 2,000 m of altitude.
Non Timber Uses
The flowers of M. floribundus are used as a spice for food.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Occasionally vessels in radial multiples of 4 or more common. Tangential diameter of vessel lumina 100 micras or less (very small). Occasionally tyloses common. Vessels per mm2 5 to 20. Vessels per mm2 less than 6 (rare). Vessel-ray pits re Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. 5 to 8 cells Rays more than 10 per mm (abundant). Ray height more than 1 mm. Occasionally rays exclusively uniseriate. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent) Fibers very thin walled. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is straw-colored or pale brown, not clearly differentiated from the sapwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
Straight grain is reported in this species.
Texture
The texture varies from moderately fine to slightly coarse.
Natural Durability
It is non-durable, it can be attacked by termites and marine borers.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
It is easy to preserve.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.55
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.60
Total shrinkage Tangential (Saturated to 0%MC) (%)
11.1
Total shrinkage Radial (Saturated to 0%MC) (%)
6.0
Drying Defects
Ease of Drying: Air seasoning is reported to be slow. The air drying of 15 mm thick boards takes about 3 months. Drying Defects: Cupping is reported in thin material, honeycombing in thicker material. Kiln Schedules: Schedule suggested for Yellow Meranti. Usually the timber dries well without any serious degrade, but the drying of boards over 50 mm thick is more difficult.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.9
Wood Chemical Properties
Wood Mechanical Properties
Workability
Sawing
The behavior of this wood in sawing is considered to be fair to difficult because of its fibrous nature.
Machining
It is easy to machine.
Planing
Planing of this species is easy to fair.
Turning
30
Finishing
This species has a fair behavior in finishing.
REFERENCED USES
End Uses Summary
TURNING, TOOLS, tool handles, PACKING, OTHER AND MUSICAL INSTRUMENTS, shoes, matches, particleboard
Turning
- 30 - Embassy of Honduras in Japan
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Shoes
- 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
Matches
- 71 - Proprietes physiques et mecaniques des bois tropicaux, premier supplement
Particleboard
- 80 - Estudio Integral de la Madera para Construcción
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