Species: Bomanga


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Bomanga
Species profile
The wood is light brown with copper brown veins and a possibility of wind shakes. It has clearly demarcated sapwood. The grain is straight or interlocked and the texture is medium. The sapwood is very wide and easily attacked by insects.

The blunting effect is normal and peeling and slicing is reported to be good. Nailing is good and gluing is correct. Bomanga dries slowly.

Bomanga is moderately durable to fungi and is durable in dry wood borers; sapwood demarcated (risk limited to sapwood). A preservative treatment is recommended as sawnwoods often contains sapwood.

Bomanga can be used for several applications such as:
• interior: e.g. flooring, veneer, paneling, boxes and crates, high class furniture, stairs, joinery, sliced veneer, light carpentry, fiber and particle boards
• exterior: e.g. wood frame house

References
• CIRAD Forestry Department

Family:FABACEAE-CAESALPINIOIDEAE (angiosperm)
Origin:Africa
Local and common name(s)
Ekop-Evene, Bomanga, Yegna, Ariella, Ekop-Leke, Nzang,
Scientific name(s)
Brachystegia laurentii, Brachystegia mildbraedii, Brachystegia zenkeri,
Typical use
Veneer for interior of plywood, Interior joinery, Sliced veneer, Light carpentry, Wood frame house, Fiber or paticle boards, Flooring, Stairs (inside), Veneer for back or face of plywood, Interior panelling, Current furniture or furniture components, Glued laminated, Blockboard, Boxes and crates, Cooperage, Cabinetwork (high class furniture),
Risk
Commercial restriction:No commercial restriction
IUCN Red List status:
Appearance
Grain:Straigth or interlocked
Interlocked Grain:Slight
Sapwood:Clearly demarcated
Texture:Medium
Typical colour:Light Brown
Physical description
Crushing strength:49 (+/- 4) MPa
Specific Gravity (at 12% MC):0,56 (+/- 0,05)
Stability:Stable
Static bending strength:85 (+/- 11) MPa
Durability
Dry wood borers:Class D - Durable
Fungi:Class 3 - Moderately durable
Termites:Class M - Moderately duarable
Treatability:Class 3 - Poorly permeable
References
Technical descriptions from the software Tropix 7 [1], with permission of the Research Unit Biomass, Wood, Energy, Bioproducts [2], CIRAD [3].

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