Hi Mike: I agree with your views. However, the original question was
asked to find out if maybe there is some sort of waxy corrosion
protection that can be removed so the cable can be put to good use. If
that would be mistaken for corrosion it would be a waste to throw the
cable away. If it IS corrosion, I have no qualms about buying new.
Thanks for your comments.

You could try some form of solvent (e.g. acetone) on the braid, and
see if it removes the green coating. I'd be concerned that any
solvent which would remove a waxy coating might also damage the
insulation around the center conductor. If you do try a solvent, take
all appropriate safety precautions.

I've seen conductors and braid turn green over a period of time, in
wires and cables which were manufactured with certain types of PVC
(polyvinyl chloride) insulation. I've read that this is due to the
tendency of certain PVC formulations to "outgas" a small amount of
chlorine over a period of years - this excess chlorine combines with
the copper to form a patina of copper chloride.

--
Dave Platt AE6EO
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