Polyamide-imide Enamelled Round Copper Wire,Class 220

Dimension of copper wire
0.05-0.80mm
Heat shock of copper wire
The minimum heat shock temperature shall be 240.
Cut-through of copper wire
No failure shall occur within 2 minutes at360.
Resistance to solvents
Standard solvent of copper wire
It shall not be possible to remove the coating with a pencil of hardnessH.
Breakdown voltage
The elevated temperature shall be 220.
Continuity of insulation of copper wire
The number of faults per 30 m of wire shall not exceed the values given in GB/T 6109.1-2008.
Temperature index
The temperature index shall not be less than 220 and the time to failure at the lowest test temperature shall not be less than 5000 h.
Standard in accordance with
MW 81-C2003