Niangon

  • Heritiera utilis Kosterm; H. densiflora Kosterm
  • English: Niangon
  • West Africa and Central Africa

Description

&;8226; Sapwood: greyish bown
&;8226; Heartwood: varies from reddish brown to pink brown.
&;8226; Fiber: Straight, generally slightly intertwined
&;8226; Grain: medium size to rough

Applications

&;8226; Interior and semiexterior furniture and cabinet work.
&;8226; Interior carpentry, doors, paneling, molding, baseboad, friezes.
&;8226; Decorative panels and plywood board
&;8226; Containers for chemical products

Capacity of being impregnated

&;8226; Sapwood: Low capacity of being impregnated
&;8226; Heartwood: No capable of being impregnated

Mechanization

&;8226; Sawing process: Easy, except in those cases of oil presence that can cause allergies.
&;8226; Drying process: Speed can vary from medium to high speed. Low to medium risks of deformation and crack formation.
&;8226; Planing process: Difficulties arise from risk of repelling due to frequently intertwined fibers.
&;8226; Gluing process: No difficulties.
&;8226; Nailing and screwing process: No difficulties.
&;8226; Finish: No difficulties, except in those cases of oil stain existance, that must be eliminated with a solvent.

Physical properties

&;8226; Apparent density at 12% humidity 680 kg/m3 semi-heavy wood
&;8226; Dimensional stability
- Volumetric contraction coefficient 0.47 % nervous wood
- Relation between contractions 2.2 con bastante tendency to deformity
&;8226; Hardness (Chaláis-Meudon) 3.1 semi-hardwood

Mechanical properties

&;8226; Resistance to static flexion 1,150 kg/cm2 &;8226; Elasticity module 105,000 kg/cm2
&;8226; Resistance to compression 550 kg/cm2

Observations

They are usually small diameter twisted trunks and so it is very difficult to obtain wide and long Goods.


Those are some of the available products in this wood

Aviso

Aviso