I'm re-rigging my boat and re-using the Stalok terminals that have
been in use for 19 years. I put them new when I re-rigged it 19 years
ago. The instructions say to put a grape-sized lump of silicone
sealant in the terminal "base" when assembling the terminal so as to
keep water out.

Well, I did that and it kept the interior almost dry - but the
silicone acts like an adhesive and makes the "wedged" wire really
really hard to get out of the wedge shaped cavity in the body.

So, I wondering about some long-term sealer-filler that not an
adhesive. I've gotten 8 of 8 apart so far, but don't want to go thru
this again.

Maybe Dolfinite (it shrinks). Ideally something that expands when it
cures, is rubbery, not UV bothered, and zero adhesion to s/s.

Suggestions?