Lenga

Scientific name: Nocthofagus pumilio Kras

Geographic origin: South America

Description

Sapwood: pink white.

  • Heartwood: pink yellow.
  • Fiber: straight.
  • Grain: thin.

Capacity of being impregnated

  • Sapwood: capable of being impregnated.
  • Heartwood: no capable of being impregnated.

Mechanization

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

Physical properties

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

Lenga

Mechanical properties

  • Resistance to static flexion 820 kg/cm2.
  • Elasticity module 98,000 kg/cm2.
  • 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.