Material Properties

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Last Updated on Friday, 16 September 2011 14:25

Properties of Conductor :

Copper Aluminium
Resistivity at 20°C Ω mm²/m 0.017241 0.028264
Conductivity at 20°C % IACS 100 61
Density gr/cm³ 8.9 2.703
Min. Tensile Strength N/mm² 235 1 25

Insulation Material :

Material Density Dielectric
loss factor 		Dielectric constant Conductor - temperature Specific thermal resistivity
Rated load Short circuit max. 5 s
gr/cm³ tan δ εr °C °C K.m/W
XLPE 0.92 0.0002 - 0.0004 2.3 90 250 3.5
PVC 1.45 0.05 7.4 70 150 6.0
EPR 0.95 0.02 3.0 90 250 3.5 - 5.0