Lead Sheathed Copper Tape

Specifications

Material	Copper
Brand Name	Jams Copper
Sheet thickness	2 mm
Electrical resistivity of copper	0.0176 Wmm2/m at 20 degree celcius
Copper melting point	1083 degree celcius
Lead melting point	327 degree celcius
density	140 A/mm2 (conductor temperature rises from 40 degree Celsius to 150 degree Celsius in a time of 1 s

Physical Properties of Lead-Sheathed Copper

The most important physical properties of lead-sheathed copper used for the earth electrodes:
Thickness of lead sheath	mm	2
Electrical resistivity of copper at 20°C	Wmm2/m	0.02
Copper melting point	°C	1083
Lead melting point	°C	327
Current density at which the conductor temperature rises from 40°C to 150°C in a time of 1 s if all heat is retained in conductor	A/mm2	140