Bouls Swiss Aromatic Pine 24 mm

Swiss stone pine, also called Swiss stone pine, is a high mountain tree species and very rich in resin. The sapwood is yellowish-white, the heartwood yellowish-brown striped or figured. The annual rings of the Swiss stone pine are usually very narrow. The reddish-brown knots make this wood particularly decorative.

Trade names and other names

DIN EN 13556 abbreviation: PNCM
 Botanical name: Pinus cembra
 German: Arve, Zirbe, Swiss stone pine
 English: Cembra pine, Swiss pine, White pine
 French: Pin cembre, Pin cembro, Alvies
 Italian: Pino cembro, Cirmolo, Zimbro
 Spanish: Pinus cembra, el Pino cembro, Pino cembra, Cembro
 Portuguese: Pinus cembra
 Dutch: Alpenden

Technical wood properties

Weight fresh/green: n.a. kg/m³
Bulk density air-dry (12-15% u): 430 - 500 kg/m³
Tensile strength: 89 N/mm²
Compressive strength: 40 N/mm²
Bending strength: 68 N/mm²
Shear strength: n.a. N/mm²
Hardness according to Brinell BII: 34 N/mm²
Hardness according to Brinell: 15 N/mm²
Differential shrinkage (radial): 0.11%
 Differential shrinkage (tangential): 0.23%.
 Natural durability (DIN-EN 350-2): n.a.

Values of the technical properties of a wood species refer to a wood moisture content of u ≅12% to 15%. Data without guarantee.

Occurrence

In Central Europe, especially in the Alps: Southern France, Switzerland, Austria and Bavaria at altitudes up to about 2000m, in the Kapathen at altitudes up to about 2400m, but also in northern Russia and Siberia.

Tree trunk and bark

Swiss stone pine is a tree up to 20m tall with diameters up to 0.4m, rarely well grown. The bark is smooth in pine when young and grey-green, later grey-brown and somewhat warty, thick, grey-brown and cracked when old.

Characteristics and wood colour

The numerous ingrown dark knots are characteristic of Swiss stone pine. The annual rings of Swiss stone pine are very narrow, the resin channels large and numerous. Swiss stone pine is a decorative wood. The sapwood and heartwood are sharply separated in Swiss stone pine. The sapwood is yellowish-white with a silky sheen, while the heartwood is light reddish when fresh, but quickly darkens to the shade of pine when exposed to light.

Replacement woods

Weymouth pine, Siberian pine/pine, spruce, fir

Literature
-Wood Atlas | 6th edition in 2006 | Rudi Wagenführ
-Wood science volume 1-3 | 1982 | Hans Heinrich Bosshard
-Properties and core sizes of wood species | 1989 | Jürgen Sell / Lignum Switzerland