It is my understanding that, if the surface to be rust proofed is all rusty (no
clean metal) then you should not need to use a metal etching acid as the rusty
surface has enough tooth for the POR15 to grab onto--I have experimented with
this on a bent part not usable, and this seems to be the case. You would want
to remove any lose rust to make sure it doesn't chip off at a later time. The
Marine Clean would be useful for any painting process to remove any and all
oil, etc as I am pretty sure not much would stick, in the long term, to a
surface not cleaned of oils, etc.
At least, this has been my experience as I learn about new processes.
Tim
Dairyland Datsuns
---- Randall <tr3driver@ca.rr.com> wrote:
=============
> A friend gave me some Marine Clean to use as part of the POR15 rust
> repair/proofing process on my Roadster
Sorry I can't help, Tim. But I wonder if anyone else sees the irony in a
product called "Paint Over Rust" that requires two other special preparation
chemicals.
-- Randall
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