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KELEDANG (Artocarpus calophylla)
Trade Name
Keledang
Scientific Name
Artocarpus calophylla Kurz
Family
MORACEAE
Common Names
C[aa]y da x[os]p (Vietnam); C[aa]y mit nai (Vietnam); Khanun pa (Thailand); Dom knol prei (Cambodia); Knor prey (Cambodia); Pala musoh (Malaysia); Nangka pipit (Malaysia); Temponek (Malaysia); Kundang (Indonesia); Tempuni (Indonesia); Peing (Myanmar); Taung (Myanmar); Taung pinnae (Myanmar)
Description Of The Tree
Botanical Description
It is a medium to large sized tree, up to 45 meters tall with a diameter of 115 cm. It has buttresses which can be short or up to 3 meter long.
Natural Habitat
Artocarpus is reported commonly as scattered elements of lowland mixed dipterocarp forests. It is usually found at altitudes below 1,000 m above the sea level.
Plantations Available?
This species is widely planted in Indonesia for its fruits.
Wood Identification
Anatomic Description Of Wood
Vessels per mm2 less than 6 (rare). Wood diffuse porous. Colored deposits in heartwood vessels. Tangential diameter of vessel lumina 200 micras or more (large). Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Axial parenchyma aliform. Axial parenchyma confluent. 4 to 10 rays per mm (medium). Larger rays more than 4 seriate. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Sheath cells. Septate fibers present. Fibers with distinctly bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The wood is yellow, turning brown on exposure.
COLOR INDEX (1=Black, 7=Light yellow,white)
3
Internal Growth Stresses
Significant growth stresses are reported for this species.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.38
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.41
Total shrinkage Tangential (Saturated to 0%MC) (%)
6.1
Total shrinkage Radial (Saturated to 0%MC) (%)
2.7
Recommended Dry Kiln Schedule
JP-25
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.3
Wood Chemical Properties
Wood Mechanical Properties
Compression parallel to fiber 12%MC (kgf/cm²)
332
Janka hardness (side) 12%MC (kgf)
240
Janka hardness (end grain) 12%MC (kgf)
350
Workability
Sawing
Sawing of this species is difficult.
Rotary Veneer Cutting
Lamination of this species is possible.
Sliced Veneer
Lamination of this species is possible.
Blunting Effect
Dulling of cutting tools is severe.
Planing
The wood can be planed to a smooth surface but there is some grain picking on radial surfaces.
Turning
30
Boring
Boring operations are rated as fair to difficult.
Nailing
This wood is easy to nail.
Gluing
Gluing behavior is reportedly good.
Finishing
Finishing operations are reported to yield rough surfaces, especially on the radial face, due to grain picking up.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, boards, panelling, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, TURNING, TOOLS, tool handles, PACKING, pallets, NAVAL CONSTRUCTION, boats, OTHER AND MUSICAL INSTRUMENTS, coffin
General Housing
- 10 - Silica in Timbers
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
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
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
Pallets
- 48 - The strength properties of timbers
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boats
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Other & Musical Instruments
- 63 - Madeiras do Brazil II
Coffin
- 78 - Amazonian Timbers for the International Market
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