Wenge
Botanical name
Millettia laurentii
Origin
Africa
Other names
Awoung, Awong, Panga-Panga, Jambire, Mpande
Notes
Hardness varies from hard to very hard.
WOOD DESCRIPTION
Color: |
dark brown |
Sapwood: |
clearly demarcated |
Texture: |
coarse |
Grain: |
straight |
Interlocked grain: |
absent |
Note: |
Sometimes, brittleheart and grub hole. |
PHYSICAL, MECHANICAL AND ACOUSTIC PROPERTIES
|
(*: at 12% moisture content, with 1 MPa = 1 N/mm²) Musical quality factor: 135,1 measured at 2619 Hz |
NATURAL DURABILITY AND TREATABILITY
Funghi (according to E.N. standards): |
class 2 - durable |
Dry wood borers: |
durable - sapwood demarcated (risk limited to sapwood) |
Termites (according to E.N. standards): |
class D - durable |
Treatability (according to E.N. standards): |
class 4 - not permeable |
Use class ensured by natural durability: |
class 4 - in ground or fresh water contact |
Species covering the use class 5: |
No |
Note: |
This species is listed in the European standard NF EN 350-2. According to the European standard NF EN 335, performance length might be modified by the intensity of end-use exposition. |
SAWING, MACHINING AND ASSEMBLING
Blunting effect: |
fairly high |
Sawteeth recommended: |
stellite-tipped |
Cutting tools: |
tungsten carbide |
Peeling: |
not recommended or without interest |
Slicing: |
nood |
Note: | Requires power. Difficult to polish. Apply preferably a finishing wax. |
Nailing / screwing: |
good but pre-boring necessary |
Gluing: |
poor |
Note: |
Risks of splits when nailing. Gluing is difficult and the wood can be stained. |