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Old 27th Aug 2021, 5:20 pm   #3
G6Tanuki
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Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 13,951
Default Re: Green goo in coax

I've seen the green goo in some coax; it's usually caused by the plasticiser degrading and reacting with the copper. Added moisture helps the process along.

Black corrosion on the braid is another nof-unusual thing; again, water ingress is usually to blame.

In either case the coax is scrap.
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