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Larch

Description

General

(Origin: Europe, North America, Japan) Yellow to yellow-brownish, rich on resin. Easy machineability. Easy glueing and painting. Lower heat value 18, 5 MJ/kg.

Properties

Chemical properties

Minimum value Maximum value Unit Sources
0.8 1.7 % 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
50 96 MPa Idemat 2003
47 47 MPa Idemat 2003
MPa
545 590 kg/m³ Idemat 2003
%
MPa
J/cm
MPa
107 107 MPa Idemat 2003
MPa
MPa
8500 13800 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
0.14 0.14 W/m.K Idemat 2003
e-6/K

Environment

1.47 mPt
0.28 Pt
139 mELU
2.09 MJ/MJ
36.8 MJ
3.02 kg
kg
Larch is dominantly imported from Northern America, where it is cultured. The transport to the Netherlands requires 250km vice versa forest-harbour by trailers and 6200km by ship. The annual production is between 4 - 12 m3/ha/y (average 7) depending on specie and region, at a growth cycle of 60 years.
Idemat 1998

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