Merbatu

Merbatu

 

Scientific Name:

Atuna spp., Kostermanthus spp., Licania spp., Maranthes corymbosa and Parinari spp. (Family: Chrysobalanaceae)  

General Description:

Medium Hardwood. Major species include Atuna cordata, A. nannodes, A. racemosa; Kostermanthus heteropetalus; Maranthes corymbosa; Parinari costata, P. elmeri, P. oblongifolia, P. rigida and P. rubiginosa. Also known as Sa (Fiji); Kayu batu, Kepala tupai, Kolaka and Merbatu (Indonesia); Phok (Laos); Tauk-kade (Myanmar); Busu plum (Papua New Guinea); Baritadiang and Liusin (Philippines); and Chi khat phen, Chi ot phen, Mak Mu and Maphok (Thailand).  

Timber Description:

  • Density: 685-1,000 kg/m3
  • Heartwood:  red-brown, sometimes with a yellow tinge
  • Sapwood: ighter in colour but not clearly defined from the heartwood
 

Spot Characters:

  • moderately durable under exposed conditions but is amenable to preservative treatment
  • texture is moderately coarse but even, with straight, spiral or wavy grain
  • nailing property is rated as very poor
  • the timber seasons fairly rapidly with slight defects. Slight cupping, bowing, splitting and some moderate amount of end-checking and staining are the main sources of degrade
 

Utilisation:

The timber is suitable for medium to heavy construction under cover, posts, beams, joists, rafters, columns (light duty), door and window frames and sills, pallets (permanent and heavy duty type), staircase (carriage), salt water piling and other marine construction, railway sleepers for secondary lines, vehicle bodies (framework, floor boards and planking), flooring (heavy traffic) as well as telegraphic and power transmission posts and cross arms.