BILINGA

Bilinga

Family: RUBIACEAE
Scientific name: Nauclea diderrichii
Pilot names: Bilinga, Badì, Opepe

END USES

Hydraulic works / Sleepers / Bridges / Flooring / Heavy carpentry / Interior joinery / Poles / Ship building / Resistant to acids

WOOD DESCRIPTION

Color: Orange-yellow
Sapwood: Clearly demarcated
Texture: Medium
Grain: Interlocked

PHYSICAL PROPERTIES

Mean Std dev
Specific gravity 0,76 0,07
Coeff. of volumetric shrinkage 0,55% 0,05%
Total tangential shrinkage (TS) 7,5% 0,9%
(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: Slight risk
Risk of casehardening: No
Risk of cracking: High risk
Risk of collapse: No

SAWING AND MACHINING

Sawing: Difficult
Peeling: Bad
Slicing: Good

ASSEMBLING

Nailing/Screwing: Good (pre-boring)
Gluing: Correct