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DANGKALAN (Calophyllum obliquinervium)
Trade Name
Dangkalan
Scientific Name
Calophyllum obliquinervium Merr.
Description Of The Tree
Botanical Description
A tree 4 to 20 (-30) m tall; 65 cm in dbh. Without buttresses.
Natural Habitat
Wide ecological range in secondary and mixed dipterocarp forests on hillsides, to 180m altitude.
Natural Distribution
NE Bomeo, never far inland; Philippines (Palawan, Camarines, Albay, Panay, Samar).
Non Timber Uses
Treatability - Moderately difficult
Wood Identification
Anatomic Description Of Wood
Vessels exclusively solitary (over 90%). Vessels in dendritic pattern. Tangential diameter of vessel lumina 200 micras or more (large). Axial parenchyma in discontinuous tangential lines. Rays exclusively uniseriate.
Availability
Cites Status
Unrestricted
General Wood Description
Color
Sapwood is light-colored , distinct from the heartwood, which is reddish brown
Grain
grain slightly crossed or wavy
Texture
texture fine to moderately fine
Luster
moderately hard and heavy
Natural Durability
Moderately durable
Natural durability index (1= Very high durability, 7=Vey low durability)
4
Wood Physical Properties
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.58
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
716
Stiffness (MOE) 12%MC (kgf/cm²)
128000
Workability
Sawing
Sawmilling-No available data
Machining
Machining - No available data
Finishing
Finishing - No available data
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, bridges, poles, paling, TOOLS, tool handles, CONTAINERS, truck bodies
Bridges
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Poles
- 3 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas do genipapo (Genipa americana)
Paling Fence Pickets
- 4 - Estudo dendrologico e determinacao das caracteristicas fisicas e mecanicas da bicuiba
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Truck Body
- 53 - Timbers of the New World
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