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European Spruce

Description

General

Origin: Europe (Sweden, Finland, Germany, Russia). White to palebrown. Easy machinable. Easy glueing and painting. Incineration value 18, 8MJ/kg. Maximum allowable tensile stress <3MPa. Origin: Lower Heating Value 17.58 MJ

Properties

Chemical properties

Minimum value Maximum value Unit Sources
0.3 0.3 % Idemat 2003
%

Electrical properties

Minimum value Maximum value Unit Sources
kV/mm
%
V
Ohm.mm²/m

Manufacturing Properties

Minimum value Maximum value Unit Sources

Mechanical properties

Minimum value Maximum value Unit Sources
49 136 MPa Idemat 2003
35 79 MPa Idemat 2003
MPa
430 kg/m³ Idemat 2003
%
30 30 MPa Idemat 2003
J/cm
MPa
21 245 MPa Idemat 2003
MPa
MPa
7300 21400 MPa Idemat 2003

Optical properties

Minimum value Maximum value Unit Sources

Thermal properties

Minimum value Maximum value Unit Sources
°C
°C
°C
J/kg.K
0.1 0.22 W/m.K Idemat 2003
3.4 6.1 e-6/K Idemat 2003

Environment

0.68 mPt
0.46 Pt
52 mELU
1.67 MJ/MJ
30.1 MJ
3.22 kg
0.1 kg
Spruce is imported from Sweden 33%, Finland 32%, Germany 8% and Russia 8%.The annual production in culture is between 4 - 16 m3/ha/y, with an average of 10, depending on and region, at a growth cycle of 70 years.
Idemat 1998

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