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AGLAIA (Aglaia lawii)
Trade Name
Aglaia
Scientific Name
Aglaia lawii (Wight) Saldantha ex Ramamoorthy
Family
MELIACEAE
Common Names
Sulmin (Philippines); Tagat thitto (Myanmar); Sang katong (Thailand); Salotoi (Philippines); Segera (Sarawak); Lasat-lasat (Sabah); Talisaian (Philippines); Aisnepapir (West Irian); Lasih (Indonesia); Langsat lutung (Indonesia); Kayu jangan (Indonesia); Bekak (Malaysia)
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 15 m and up to 200 cm in diameter, fluted or with buttresses up to 1.8 m high.
Natural Habitat
This tree occurs in primary or secondary evergreen to deciduous forests, from the sea level up to 1,650 m of altitude.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Colored deposits in heartwood vessels. Vessels per mm2 5 to 20. Simple perforation plates. Intervessel pits small, 7 micras or less. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma winged aliform (uni or bilateral winged). Axial parenchyma confluent. Prismatic crystals in non-chambered axial parenchyma cells. 5 to 8 cells per parenchyma strand. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood often has a fragrant, sometimes even pungent, odor when fresh, resembling both cedar and camphor.
Color
The heartwood is pale red to dark reddish-brown, sometimes turning to walnut-brown or chestnut-brown, usually distinctly demarcated from the pale yellow to pale red-brown sapwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
The grain is interlocked, sometimes straight.
Texture
The texture varies from moderately fine to moderately coarse.
Natural Durability
The wood is rated as moderately durable, even in contact with the ground.
Natural durability index (1= Very high durability, 7=Vey low durability)
3
Resistance To Impregnation
The heartwood is often very difficult to treat with preservatives, the sapwood is moderately easy to easy.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.6788546079
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.76
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.4
Total shrinkage Radial (Saturated to 0%MC) (%)
5.0
Drying Defects
Ease of Drying: Drying is slow and rather difficult. Boards of 15 mm thick take about 3 months to air dry. Drying Defects: Resin exudation is reported to be common, especially when drying at high temperatures. It is prone to cupping, bowing, springing and end checking. Usually there is little splitting, surface checking, staining and insect attack during drying. Kiln Schedules: Schedule proposed for Apitong.
Recommended Dry Kiln Schedule
JP-26
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.7
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1478
Stiffness (MOE) 12%MC (kgf/cm²)
160798
Workability
Sawing
This wood saws well, but it requires much power in sawing.
Rotary Veneer Cutting
Veneer may warp severely during drying.
Sliced Veneer
Veneer may warp severely during drying.
Machining
Wood processing is reported to be easy.
Planing
Because of its grain it requires sharp and fine set planes, however, planed surfaces are smooth and lustrous.
Turning
30
Nailing
It is reported to have a good nailing behavior.
Gluing
This species is easy to glue.
Finishing
Wood of this species is easy to finish.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, HOUSING GENERAL, flooring, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, SPORTS, TOOLS, tool handles, agricultural tools, NAVAL CONSTRUCTION
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Bridges
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
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
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
- 30 - Embassy of Honduras in Japan
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
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
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
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