Keruing

Keruing

 

Scientific Name:

Dipterocarpus spp. (Family: Dipterocarpaceae)  

General Description:

A medium hardwood. The trees are large and can be found abundantly in low-lying, undulating land and hill dipterocarp forest. Logs can be easily identified as their ends are usually coated with a layer of resin. There are 30 species of Keruing in Malaysia.  

Timber Description:

  • Density: 690 - 945 kg/m3
  • Heartwood: red-brown, ageing to dull greyish-red
  • Sapwood: distinct, lighter in colour
 

Spot Characters:

  • vessels exclusively solitary
  • vertical canals diffuse but mostly in short tangential lines, rarely in long tangential series
  • rays of two distinct sizes
  • resinous odour
  • patches of resin may be found on the surface and end grain of the wood
 

Utilisation:

This timber is suitable for heavy construction, posts, beams, joists, rafters, truck body construction, container flooring and when treated, suitable for railway sleepers, harbour works, bridges, power-line poles and telegraph poles.