Quote:
Originally Posted by Terry Burtz, Calif
Permatex #2 is not just another silicone.
There is no silicone in Permatex #2.
Permatex #2 is a sealant that is alcohol based.
Silicone based sealants were developed during the "Space Race".
Permatex #2 was developed during WW2 to seal aircraft engine interfaces where precision mating surfaces needed to be sealed, and the variability of a squished paper gasket was unacceptable.
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That makes more sense than what I saw. The #2 I saw was definately silicone. Maybe things arew marketed differently here. I haven't seen what you call #2, only #3