Originally Posted By StealthWedge67
The only thing I ever use anymore is Permatex Aviation Form-A-Gasket. A thin coat brushed on the gasket and allowed 10 minutes to tack up. There is a place for silicone from time to time, but this stuff works and stays tacky, never hardens.

http://www.aircraftspruce.com/catalog/ep...ASABEgLSevD_BwE



Is this blue? If so, I think Permatex used to call it Hylomar. It's the only gasket sealer I use anymore.

Hylomar is still available, but comes from England and is pretty spendy.