Common birch
Betula sp.
Green density
Average value
673 kg/m³
Total degree of shrinkage
axial
0,6 %
radial
5,3 %
tangential
7,8 - 8,2 %
Differential swelling
radial
0,27 %%
tangential
0,36 %%
Other characteristics
Equilibrium of moisture
content (20°/37%)
content (20°/37%)
6,9 %
Equilibrium of moisture
content (20°/83%)
content (20°/83%)
16,1 %
Hardness
Brinell hardness HB,0
49 N/mm²
Brinell hardness HB,90
23 N/mm²
Elastic properties
Flexural modulus of elasticity
16500 N/mm²
Strength properties
Flexural strength
147 N/mm²
Tensile strength
137 N/mm²
Compression strength
51 N/mm²
Natural durability
Fungi
5, non-durable
Anobium
S, susceptible
Treatability
Heartwood
1-2, moderately to highly permeable
Sapwood
1-2, moderately to highly permeable
Characteristic values determined from wood samples with a moisture content of 12%.
The Birch Tree (Betula sp.) is named for its shiny white bark, since the ancient origin of the Indo-Germanic word means "light? or "shiny?.
The birch is a symbol of spring.
For Northern Europeans, it is the most important mythical tree.
Birch wood was first used for manufacturing furniture during the Biedermeier period.
The light wood has different uses: among other things, for furniture, turnery, parquet floors and children's toys.
The birch is a symbol of spring.
For Northern Europeans, it is the most important mythical tree.
Birch wood was first used for manufacturing furniture during the Biedermeier period.
The light wood has different uses: among other things, for furniture, turnery, parquet floors and children's toys.
