This test is done on tinned copper cable wire to determine the exposed copper.
The tinning process of copper may not be perfect due to which there is the possibility of the formation of pinholes on the conductors, thereby defeating the purpose of the application of tin.
Tin acts as a barrier between copper and elastomeric insulation otherwise there would be a high chance of degradation of insulation due to the catalytic effect of copper on elastomers.
Tin also helps to avoid the formation of oxide on the copper which can reduce its solderability.
Thus, the Persulphate Test of conductor ascertains the continuity of the tin layer on the surface of a conductor.
This test is mainly performed on tinned copper wires or conductors.
Copyright ? 2010 - 2025 zmscable.com All Rights Reserved.
