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P.N.G. FIG (Ficus racemosa)
Trade Name
P.N.G. fig
Scientific Name
Ficus racemosa var. racemosa
Family
MORACEAE
Common Names
Maduea uthumphon (Thailand); Duea nam (Thailand); Duea kliang (Thailand); Mayen (Myanmar); dua kieng (Laos); Lo (Indonesia); Arah (Indonesia); Red river fig; Figwood; Blue fig Blue fig
Scientific Name Synonyms
Ficus vesca F v. Mueller ex Miq; Ficus semicostata F.M. Bailey; Ficus glomerata Roxb.
Description Of The Tree
Botanical Description
It can be a large tree up to 40 or 50 meters tall, with big diameters up to 190 cm, sometimes heavily buttressed.
Natural Habitat
Ficus species are generally found below 1,500 m of altitude in a wide range of habitats but mangrove forests.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Occasionally tangential diameter of vessel lumina 100 micras or less. Occasionally vessels with colored deposits. Vessels per mm2 5 to 20. Occasionally vessels per mm2 less than 6. Simple perforation plates. Vessel-ray pits similar to inter Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Occasionally two cells per parenchyma strand. Occasionally axi 4 to 10 rays per mm (medium). Occasionally larger rays more than 4 seriate. 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
Heartwood is pale yellow-brown or various shades from yellow to pink-gray, not clearly differentiated from the sapwood.
Grain
Grain is straight, interlocked to deeply interlocked.
Texture
Texture varies from moderately coarse to coarse.
Natural Durability
Non-durable and not resistant to termite or fungal attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
It is easy to treat with preservatives.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.44
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.47
Total shrinkage Tangential (Saturated to 0%MC) (%)
6.8
Total shrinkage Radial (Saturated to 0%MC) (%)
3.7
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.8
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
717
Stiffness (MOE) 12%MC (kgf/cm²)
77600
Compression parallel to fiber 12%MC (kgf/cm²)
317
Workability
Sawing
Sawing of this species is reportedly easy.
Machining
The wood is very easy to work, although the surfaces are a little woolly.
Finishing
A fairly smooth finish can be obtained.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, PLYWOOD AND VENEER, PACKING, OTHER AND MUSICAL INSTRUMENTS, moldings
General Housing
- 10 - Silica in Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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