> Is there indeed a
> gasket sealant
> that does the job of sealing, but can be removed with a
> reasonable amount of
> effort some time later?
That is exactly my objection to Aviation Form-A-Gasket; and one of the
reasons I like Hylomar so much. It will come off easily even decades after
being applied; while as you've discovered, classic "non hardening" Permatex
gets hard as a rock over time.
BTW, Loctite 'Chisel Gasket Remover' will slowly soften the Form-A-Gasket.
It makes the job a little easier, but no faster because you have to spray it
on, wait for it to soften the surface layer, then scrape away the softened
gasket/sealer and repeat for the next layer.
-- Randall
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