Birch
- Betula pendula Roth.
B. pubescens Ehrh - English: Birch
- Europe
Colour and estimated photographic reproductions
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Description
Fiber: Straight, occasionally wavy
Grain: Thin
Defects: small knots, small rots
Applications
Interior fine furniture. Carved and turned furniture
Interior carpentry for panelling : friezes, molding, baseboad.
Decorative panels and plywood boards
Interior carpentry for panelling : friezes, molding, baseboad.
Decorative panels and plywood boards
Capacity of being impregnated
Capable of being impregnated to medium capacity of being impregnated
Mechanization
Sawing process: Easy and with no difficulties
Drying process: Easy and Fast, with nearly no defects.
Planing process: Easy.
Gluing process: Easy
Nailing and screwing process: pre-drilling is recommended
Finish: Irregular dyeing. No difficulties on varnish taking.
Drying process: Easy and Fast, with nearly no defects.
Planing process: Easy.
Gluing process: Easy
Nailing and screwing process: pre-drilling is recommended
Finish: Irregular dyeing. No difficulties on varnish taking.
Physical properties
Apparent density at 12% humidity 650 kg/m3 semi-heavy wood
Dimensional stability
Volumetric contraction coefficient 0.38 % stable wood
Relation between contractions 1.4% no tendency to deformity
Hardness (Chaláis-Meudon) 3.1 semi-hardwood
Dimensional stability
Volumetric contraction coefficient 0.38 % stable wood
Relation between contractions 1.4% no tendency to deformity
Hardness (Chaláis-Meudon) 3.1 semi-hardwood
Mechanical properties
Resistance to static flexion 1,548 kg/cm2
Elasticity module 170,000 kg/cm2
Resistance to compression 526 kg/cm2
Elasticity module 170,000 kg/cm2
Resistance to compression 526 kg/cm2
Observations
It is a highly valued wood thanks to its light colour.
