kapur
 
Kapur
 
PHYSICAL PROPERTIES
Density : 575-815 kg/m³
Shrinkage
i) Radial : 1.5-2.1%
ii) Tangential : 3.8-5.1%
Static Bending
i) Modulus of elasticity : 13,000-18,700 N/mm²
ii) Modulus of rupture : 114-126 N/mm²
Compression Strength
i) Perpendicular to Grain : 5.52 N/mm²
ii) Parallel to Grain : 61.70-69.60 N/mm²
Shear strength : 10.50-13.60 N/mm²
Botanical Name : Dryobalanops spp
Family : Dipterocarpaceae
Other names :  
Distribution : D. aromatica very common in certain areas and usually occur gregariously on low hills. D. oblongifolia usually restricted to swampy areas and low-lying valleys.
Sapwood : Well-defined and yellowis brown in colour.
Grain : Straight or slightly interlocked or sometimes deeply interlocked.
Texture : Moderately coarse and even.
Working Properties :
Planning Easy Finish Smooth to moderately smooth
Boring Easy Finish Smooth
Turning Easy Finish Moderately Smooth
Nailing n.a
Uses : Suitable for heavy and medium construction, heavy-duty flooring, beams, joists, rafters, furniture, door and window frames, tool handles, pallets, boxes and crates.