Plumbing Tapes and Sealants * Sealing Tubes and Pipes …
Never work with a sealant which is not designed for your work. Sink flanges over a garbage disposal unit should be collateralized with plumber's putty.
The rest is here:
Plumbing Tapes and Sealants * Sealing Tubes and Pipes …
Tags: flanges-over, garbage-disposal, not-designed, sealant-which, unit-should, work