> > DO NOT use silicone rubber anywhere around copper - it
> > produces  acetic acid fumes which corrodes copper

> Isn't this true only of the stuff you buy at the local hardware store?
> It is possible to purchase non-corrosive varieties of RTV intended
> for electronic purposes

I use neutral cure silicone, originally bought for fixing the fish
tank. Straight out of the tube you can smell the acetic acid. I
also have two-pot silicone rubber, but I don't think this would be
a good sealant because it doesn't stick to anything

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