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Utile

Description

General

Origin: Tropical Africa (Congo, Gabon, Ghana). Colour and texture: redbrown to violet-brown; shiney. Smell: in fresh state aromatic. Workability: good to machine, but saw-tools blunt easily; good bonding by glue; good surface treatment possible. Lower Heating Value 18.17 MJ

Properties

Chemical properties

Minimum value Maximum value Unit Sources
%
%

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
47 155 MPa Idemat 2003
43 73 MPa Idemat 2003
MPa
590 kg/m³ Idemat 2003
%
MPa
J/cm
MPa
57 164 MPa Idemat 2003
MPa
MPa
11000 13000 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
W/m.K
e-6/K

Environment

2.45 mPt
5.96 Pt
193 mELU
2.13 MJ/MJ
41.2 MJ
2.63 kg
0.1 kg
Utile is dominantly imported from tropical Africa. The wood is not cultured. The deforestation of tropical wood causes serious local environmental problems and is related to the climate change in the world. The transport to the Netherlands requires 2 * 250km by trailers (from factory to forest and back) and 5748km by ship.
Idemat 1998

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