bintangor
 
Bintangor
 
PHYSICAL PROPERTIES
Density : 465-865 kg/m³
Shrinkage
i) Radial : 1.4-2.1%
ii) Tangential : 2.0-3.7%
Static Bending
i) Modulus of elasticity : 14,300 N/mm²
ii) Modulus of rupture : 74 N/mm²
Compression Strength
i) Perpendicular to Grain : 3.19 N/mm²
ii) Parallel to Grain : 36.70 N/mm²
Shear strength : 10.80 N/mm²
Botanical Name : Calophyllum spp.
Family : Guttiferae
Other names : -
Distribution : Occurs widely from lowland forests to upper mountain forests. It is also abundant in some peat swamp forests.
Sapwood : Well defined from the heart-wood, which is deep red, red-brown, pink-brown or orange-brown in colour.
Grain : Interlocked.
Texture : Moderately coarse to coarse and uneven.
Working Properties :
Planning Easy Finish Smooth to moderately smooth
Boring Easy Finish Smooth to slightly rough
Turning Easy Finish Slightly rough
Nailing Poor
Uses : Suitable for light construction, flooring, partitioning, panelling, joinery, furniture, spars and masts of boats, veneer, plywood and wooden pallets.