Scientific Name:

Koompassia malaccensis (Family: Leguminosae)  

General Description:

A medium hardwood. It is a very strong timber with density as high as some heavy hardwood timbers. The trees are tall and cylindrical and commonly found in lowland forests up to 600 m altitude. The trees can also be found in peat and fresh water swamp forest.  

Timber Description:

  • Density: 770 - 1,120 kg/m3
  • Heartwood: brick-red ageing to orange-red, streaked with yellow-brown lines
  • Sapwood: pale yellow

Spot Characters:

  • ripple mark present
  • vessels large in size with large layer of aliform parenchyma tissue
  • white-coloured deposit rarely present
  • included phloem common


The timber when treated with preservatives is suitable for all heavy constructional works, posts, beams, joists, rafters, bridges, wharves, railway sleepers and power transmission poles. Untreated, it is suitable for structures under cover, parquet and strip flooring, panelling, rotary peeled veneers and charcoal manufacture. It is a favourite timber for timber pile and prefabricated roof truss manufacture.