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MEDANG (Beilschmiedia lucidula)
Trade Name
Medang
Scientific Name
Beilschmiedia lucidula (Miq.) Kosterm.
Family
LAURACEAE
Common Names
Ilak (Philippines); Bagaoring (Philippines); Brabas (Indonesia); Lalanig (Philippines); Medang (Malaysia); Teras (Sabah); Medang (Sarawak); Hoeroe katjang (Indonesia); Medang (Sabah); Kyese (Myanmar); Medang (Indonesia); Keplah wangi (Sarawak); Medang padang (Sarawak); Batikuling surutan (Philippines)
Scientific Name Synonyms
Cryptocarya lucidula Miq.
Description Of The Tree
Botanical Description
It is a medium-sized tree up to 21 m tall. The bole is up to 65 cm in diameter.
Natural Habitat
It is reported in primary lowland forests on periodically dry soils, volcanic sands and in swamps, at altitudes up to 1,200 m.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels per mm2 5 to 20. Vessel-ray pits reticulate and/or foraminate. Helical thickenings in vessel elements present. Simple perforation plates. Intervessel pits medium, 7 to 10 micras. Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Prismatic crystals in non-chambered axial parenchyma cells. 3 to 4 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide 4 to 10 rays per mm (medium). Occasionally oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood has a slight odor when fresh.
Color
The heartwood is pale grayish-brown, not sharply demarcated from the pale red-brown or pale brown sapwood.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
The grain is usually straight.
Texture
This species is reported to have a moderately fine texture.
Natural Durability
It is usually rated as non-durable and susceptible to termite, Lyctus and fungal attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
The heartwood is reported to be extremely resistant to impregnation but the sapwood is treatable.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.56
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.61
Total shrinkage Tangential (Saturated to 0%MC) (%)
7.3
Total shrinkage Radial (Saturated to 0%MC) (%)
4.7
Drying Defects
Ease of Drying: Air seasoning is reported to be easy but slow. Air seasoning of 2.5 cm thick boards to 16% moisture content takes approximately 75 days. Drying Defects: Slight degrade due to warping and checking. Kiln Schedules: In Indonesia, temperatures of 85% to 50% are suggested. Kiln drying of 2.5 cm thick boards takes about 8 days.
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.6
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
869
Stiffness (MOE) 12%MC (kgf/cm²)
108000
Compression parallel to fiber 12%MC (kgf/cm²)
585
Janka hardness (side) 12%MC (kgf)
504
Janka hardness (end grain) 12%MC (kgf)
722
Workability
Sawing
This species is easy to saw.
Rotary Veneer Cutting
This species is reported to be interesting for lamination.
Sliced Veneer
This species is reported to be interesting for lamination.
Blunting Effect
Silica is sometimes reported for this species.
Planing
Planing of this species is reported to be easy.
Nailing
This wood is easy to nail.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, flooring, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, cores, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings
General Housing
- 10 - Silica in Timbers
Flooring
- 14 - Handbook of Hardwoods
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Cores
- 27 - Embassy of Brazil in Japan
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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