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African Cordia (Cordia millenii)

Description

General

Origin: Uganda, Kenia. Colour and texture: gold-brown, yellow-brown to roe-brown; unequally darker striped. Smell: in fresh state light aromatic; in steamy state sourish. Workability: good and easy to machine (also manual good workable); easy to glue; good surface treatment possible, but it is not easy. Lower Heating Value 17.66 MJ
African cordia, Akaboa, Aliiba, Cordia, Cordia d'Afrique, Ebais, Ebe, Ketumba, Mujugangoma, Mukebu, Mukumari, Mungoma, Mutumba, Omah, Omo, Omon, Sumba, West African cordia

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
14 46.5 MPa Idemat 2003
40 95 MPa Idemat 2003
MPa
230 kg/m³ Idemat 2003
%
MPa
J/cm
MPa
36 50.5 MPa Idemat 2003
MPa
MPa
MPa

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

6.19 mPt
21.5 Pt
481 mELU
3.11 MJ/MJ
52 MJ
6.19 kg
0.11 kg
Cordia 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 6646km by ship.
Idemat 1998Idemat 2003, Design for Sustainability, Delft University of Technology

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