WENGE

The tropical essence Wenge, native to West and Central Africa, is a sought-after wood in cabinet making and flooring, thanks to its aesthetic qualities, but also because of its durability. Its resistance to termites, fungi and borers make Wenge an excellent material.

WENGE
Botanical name(s) :

Millettia laurentii, Millettia stuhlmannii

Family: FABACEAE (angiosperme)

Commercial restrictions: No commercial restriction

The tropical species Wenge is a relatively large tree of the forests of West and Central Africa: it is about 30 meters high, sometimes more, for a diameter of 1 m. The bole is straight, covered with a grayish bark that exudes a red liquid with a strong cucumber odor when nicked.

The foliage is dense, and the Wenge is adorned at the beginning of the wet season with purplish flowers.

Suppliers: Wenge suppliers

wenge TROPICAL TIMBER USES

Wenge is a dark brown exotic wood, sometimes with lighter streaks or even alternating dark and light stripes. It is a heavy tropical wood, hard to very hard, resistant to termites, borers and fungi. It is therefore not necessary to treat it.

Due to its characteristics, Wenge is a versatile species.

It is mainly used :

Where to buy Wenge?

DISTRIBUTION AREA OF THE SPECIES wenge

The exotic species Wenge is found in the forests from southern Cameroon to northern Angola and in the Democratic Republic of Congo.

ECOLOGY and biology OF THE SPECIES wenge

The tropical tree Wenge is a deciduous species that grows in evergreen and semi-deciduous forests, as well as in forests resulting from savannah colonization and in open forests of Marantaceae.

As for other species such as iroko or tali for example, the term "Wenge" is actually a trade name that includes two species: Millettia laurentii and Millettia stuhlmannii. These two species are very similar in appearance, the properties of the wood are identical, but they can still be distinguished from each other by carefully observing their leaves, which are not quite similar.

DESCRIPTION OF wenge TROPICAL TIMBER

  • Color: dark brown
  • Sapwood: clearly distinct
  • Grain: coarse

PHYSICAL AND MECHANICAL PROPERTIES OF wenge TROPICAL TIMBER

  • Specific gravity*: 0,87
  • Monnin hardness*: 9,1
  • Coef. of volumetric shrinkage: 0,69%
  • Total tangential shrinkage (TS): 9,1%
  • Total radial shrinkage (RS): 5,9%
  • TS/RS ratio: 1,5
  • Fiber saturation point: 22%

*at 12% of wood moisture

NATURAL DURABILITY AND TREATABILITY OF wenge TROPICAL TIMBER

  • Fungi: class 2 - durable
  • Dry wood borers: durable
  • Termites : class D - durable
  • Treatability: class 4 - resistant
  • Species covering the use class 5: No

PROCESSING OF wenge TROPICAL TIMBER

  • Seasoning speed: slow
  • Risk of deformation during seasoning: low


Sources : CIRAD - ATIBT - Q. Meunier, C. Moumbogou, J.-L. Doucet, 2015, Les arbres utiles du Gabon

Copyright photo: Q. Meunier, C. Moumbogou, J.-L. Doucet, 2015, Les arbres utiles du Gabon (bole, leaves, flowers) - Daniel Guibal, CIRAD (sculpture, "Mother and child", Gabon)

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