Niangon

Heritiera utilis = Tarrietia utilis

Known also as nyankom (Ghana), ogoue (Gabon), yami (Sierra Leone), whismore (Liberia), anguekong and kwaeduma.

Where it grows

Niangon grows in the West African coastal forests from Sierra Leone through Liberia and the Ivory Coast to Ghana. A closely allied species occurs in Gaboon and it is shipped under the same name.

Appearance
Sapwood white to grevish white  niangon
Heartwood pink brown to red brown, darkening on exposure
Grain slightly interlocked
Height 60 ft with diameter of about 2'-3'
Properties
Green weight kg/m³ 900-1000
Specific gravity at 12 % M.C. (kg/m³) 700 medium
Volumetric swelling for 1% M.C. variation V% 0,44 medium
Crushing strength (N/mm²) C12 55
Static bending strength (N/mm²) F12 118
Modulus of Elasticity (N/mm²) E12 9900
Processing
 
« Κακή
Καλή »
Sawing item40
Drying item40
Machining item40
Wood Bending item40
Gluing item40
Nailing item40
Finishing item40

End Uses

Exterior joinery, window frames, doors, drawer sides, boat construction, vehicle bodies, furniture, veneer and plywood.

Remarks

Medium strength, moderate durability and resistant to preservative treatment. An alternate to menkular for some end-uses. Ogoue from Gabon is heavier.

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