This Heavy Hardwood is known as Ironwood or the scientific name Eusideroxylon zwageri (Lauraceae). The sapwood is bright yellow when fresh and darkens on exposure to deep reddish brown, becoming very dark brown or almost black with age.
Also know asn Belian (Brunei); Borneo Ironwood (European Union); Belian, Onglen, Tebelian, Tulian and Ulin (Indonesia); and Biliran, Sakian and Tambulian (Philippines).
The timber is suitable for all heavy constructional works, marine construction, boat construction, fence posts, heavy duty industrial flooring, decking, fender supports, mallets, shingles, columns (heavy duty) and other works where high strength and durability are required.
Shrinkage averages 4.5%.
The timber falls into Strength Group A (Burgess, 1958) or SG 2 (MS 544:Part 2:2001).
- Thicknesses of 25mm, 35mm, 50mm, 75mm, 100mm
- Widths of 25mm, 50mm, 75mm, 100mm, 125mm, 150mm, 175mm, 200mm
- Lengths of 3-6ft & 8ft and up
- Heavy Hardwood
- 835-1,185 kg/m3 air dry
- Extremely durable
- One of the most durable in the world
- 30 years & above
- Extremely hard and durable for heavy construction