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Chemseal Vs. Proseal The Differences ?

laserman

Active Member
So can someone give me the quick differences between the two ?

Both sold by Aircraft Spruce.. Reviews and general data sheets read about the same?

Proseal lists manganese dioxide as a component .. Which I think is just a filler/thickener agent

Both seem to be appropriate for fuel tank work/sealing..

With a clear preference in the postings for ?Proseal? ?

Just wondering.

Al
 
They are both the same. Only difference is the manufacturer that packages it.

I typically look for the best price that is in date code using the Mil Spec number of the product.
 
Both are manganese-dioxide-cured polysulfide sealants, qualified to (mostly) all the same industry and OEM specifications. The MnO2 is the curing/crosslinking agent.
 
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