Lenga

Scientific name: Nocthofagus pumilio Kras

Other names: English: Lenga, Lenga Beech, Beech Chile

Geographic origin: South America

Description

&;8226; Sapwood: pink white.
&;8226; Heartwood: pink yellow.
&;8226; Fiber: straight.
&;8226; Grain: thin.

Lenga

Applications

&;8226; Interior furniture and cabinet work. Carved, turned and bent furniture.
&;8226; Hollow carpentry and paneling, interior : doors, platform, friezes, molding, skirting boards.
&;8226; Decorative panels.

Capacity of being impregnated

&;8226; Sapwood: capable of being impregnated.
&;8226; Heartwood: no capable of being impregnated.

Mechanization

&;8226; Sawing process: easy and with no difficulties.
&;8226; Drying process: slow. Risk of crack formation.
&;8226; Planing process and other processes: no difficulties.
&;8226; Gluing process: easy.
&;8226; Nailing and screwing process: from low to regular difficulty.
&;8226; Finish: easy.

Physical properties

&;8226; Apparent density at 12% humidity 540 kg/m3 semi-light wood.
&;8226; Dimensional stability
- Volumetric contraction coefficient 0.42 % stable wood.
- Relation between contractions 2.1% tendency to deformity.
&;8226; Hardness (Chaláis-Meudon)  3.2 semi-hardwood.

Lenga

Mechanical properties

&;8226; Resistance to static flexion 820 kg/cm2.
&;8226; Elasticity module 98,000 kg/cm2.
&;8226; Resistance to compression 480 kg/cm2.

Lenga

Observations

Notable difference of colour between heartwood and sapwood as in the case of cherry wood, which substitutes lenga in many applications.