Abachi
[Aba-chi]; [Triplochiton scleroxylon]; trade name Abachi (D, NL), Obeche (GB, F)
|
Origin |
Tropical West and Central Africa |
|
Raw density |
0.35 – 0.49 g/cm³ |
|
Durability class |
5 |
|
Radial differential shrinkage |
0,10 – 0,11 % |
|
Differential tangential shrinkage |
0,18 – 0,22 % |
|
Wood color |
Light yellow |
|
Wood structure |
Porous structure |
|
Use |
e.g. sauna benches |
Abachi comes from the tropical regions of West Africa. The most important producers of abachi logs are Cameroon, Nigeria, Ivory Coast and Ghana. The abachi tree can grow up to 55 m high, have a branch-free trunk length of 25 m and reach a diameter of 0.9 m – 1.5 m.
Abachi is characterized by its relatively light and soft wood with an average density of 390 kg/m3 and a moisture content of 12%.
Dimensionally stable softwood
The low Janka hardness of 1900 N and the high dimensional stability, as Abachi has a low radial and tangential shrinkage rate (Rad 1.1 % / Tan 2.4% -> very stable) at a wood moisture content of 12%, makes Abachi a wood with very high stability.
The ratio between stress and strain caused by the application of force on the elasticity of the wood is specified for abachi with an MOE of 6700 N/mm2 and the bending and compressive strength up to break is the MOR is given as 57 N/mm2.
Low durability
The Durability class of Abachi is according to DIN-EN 350-2 at “Class 5”. As the highest durability class is “Class 1”, the abachi produced is mainly used indoors. In outdoor areas, abachi is very quickly attacked by insects and fungi.
The heartwood is relatively hard and may contain mineral inclusions.
For sauna, furniture and music
In saunas, abachi is often used for wooden benches and other accessories due to its ability to quickly absorb ambient moisture. Abachi is also widely used as hidden wood in furniture construction due to its high dimensional stability and ease of processing. Abachi is even used in instrument making for the construction of pianos or organs (organ pipes). Abachi is also processed as veneer.
Freshly cut abachi (wet) has a foul odor, some say it smells like socks that have been worn several times. However, the wood then loses this odor during the drying process.
Sources: Tropix, GD-Holz, Wikipedia
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