Mukulungu
Family: SAPOTACEAE
Scientific name: Autranella congolensis
Pilot name: Mukulungu
END USES
Stairs (inside) / Sliced veneer / Bridges / Flooring / Heavy carpentry / Interior panelling / Hydraulic works / Exterior panelling / Resistant to acids
WOOD DESCRIPTION
Color: Red brown
Sapwood: Clearly demarcated
Texture: Fine
Grain: Straight or interlocked
PHYSICAL PROPERTIES
| Mean | Std dev | |
|---|---|---|
| Specific gravity | 0,94 | 0,03 |
| Coeff. of volumetric shrinkage | 0,66% | 0,04% |
| Total tangential shrinkage (TS) | 8,4% | 0,3% |
| (normal moisture, at 12%) | ||
NATURAL DURABILITY
Fungi: Very durable
Dry wood borers: Durable
Termites: Durable
Use class: Class 4 – In ground or fresh water contact
DRYING
Drying rate: Slow
Risk of distortion: High risk
Risk of casehardening: No
Risk of cracking: High risk
Risk of collapse: No
SAWING AND MACHINING
Sawing: Difficult
Peeling: Not recommended
Slicing: Good
ASSEMBLING
Nailing/Screwing: Good (pre-boring)
Gluing: Correct (for interior only)