The Murphy Builders Site

I was an idiot and now I must pay for my stupidity. Anybody have any
suggestions for how to get rid of the chromate and proseal on my airframe
that I should have wiped off before it cured? My guess is an orbital sander
followed by a good polishing. Don't let this happen to you!

Mike Kimball
SR #044




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I try to wipe it off right away with MEK as it also smells so good. However
after watching other guys with much more sheet metal experience I use the 2"
scotch brite velcro pads on an air die grinder. All colors of scotch brite
are available and the epoxy primer fills in the swirl marks. I use them
constantly now but use caution as they eat into the metal faster than you
would think.

Steve Rhodes
Moose 173
----- Original Message -----
From: "Mike Kimball" <mkimball@gci.net>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 03, 2003 11:12
Subject: Removing chromate and proseal

I was an idiot and now I must pay for my stupidity. Anybody have any
suggestions for how to get rid of the chromate and proseal on my airframe
that I should have wiped off before it cured? My guess is an orbital

sander

followed by a good polishing. Don't let this happen to you!

Mike Kimball
SR #044

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You're not the only one.. I didn't clean up around the rivets dipped in
epoxy primer on my horizontal stab way back when. I used a thick automotive
paint remover and carefully dabbed it around them. Eventually, with a blunt
plastic scraper, got it off. Still have one side to do.

Scott
SR #174

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Mike Kimball
Sent: Thursday, April 03, 2003 1:13 PM
To: murphy-rebel@dcsol.com
Subject: Removing chromate and proseal


I was an idiot and now I must pay for my stupidity. Anybody have any
suggestions for how to get rid of the chromate and proseal on my airframe
that I should have wiped off before it cured? My guess is an orbital sander
followed by a good polishing. Don't let this happen to you!

Mike Kimball
SR #044




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I briefed you guys "on being an idiot" a long time ago and how I spent over
a week with a helper using razor blades cleaning around every rivet on my
personal Rebel in '95 while prepping it for paint because I was an idiot and
didn't clean it up as I went.

Anyone following this thread go out and buy yourself 2 or 3 cans of acetone
so you are never out of stock. As soon as you are done putting the rivets in
wet, soak the whole thing down and wipe until you get the shine back.
Otherwise all those EP420 splashes are sitting on non-prepped areas and have
a VERY good chance of lifting your paint later down the road and if nothing
else a bumpy finish!

As for cleaning up Proseal, you are taking a big gamble cleaning it up
precure around the rivets. Messes and drips on flat panels fine, but you
don't want acetone or similar effecting the cure process and causing you
some leaks later if you can help it ;o((!

Wayne

----- Original Message -----
From: "Mike Kimball" <mkimball@gci.net>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 03, 2003 3:12 PM
Subject: Removing chromate and proseal

I was an idiot and now I must pay for my stupidity. Anybody have any
suggestions for how to get rid of the chromate and proseal on my airframe
that I should have wiped off before it cured? My guess is an orbital

sander

followed by a good polishing. Don't let this happen to you!

Mike Kimball
SR #044

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I've used methylene chloride type paint remover (thick, nasty stuff) to
clean up cured Proseal. If you are talking about EP-420 epoxy chromate
on a pepared surface, the same stuff will work eventually if you give
it plenty of time and then scrub pretty hard with scothbrite.

Jim Callahan
Rebel #180R.

Mike Kimball wrote:

I was an idiot and now I must pay for my stupidity. Anybody have any
suggestions for how to get rid of the chromate and proseal on my airframe
that I should have wiped off before it cured? My guess is an orbital sander
followed by a good polishing. Don't let this happen to you!

Mike Kimball
SR #044




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