Any opinions and experiences with rust preventative paint for tractor
equipment? A few years back I had a horse trailer professionally
sandblasted and then painted with Rust-Oleum undercoat and finish.
Within a few years the white trailer was brownish orange with rust.
Immediately after sandblasting it had been wiped off with clean rags to
remove any lingering residue and undercoat applied (all the same
day)...was kept under shelter a couple of days and then finish
Are there better alternatives that Rust-Oleum?
applied directly to clean metal without a primer.
My best results have been to use a Zinc Chromate primer first on the
clean metal. I did this to a 10" diameter steel pole that holds the sign
at my business back around 1979. Then painted it white. After going on
27 years, we just recently repainted it. There were a few small areas
where rust was starting to blister the paint, but not many. I painted it
with a brush, & applied a pretty heavy coat.
I think on slightly rusty metal you are supposed to use that red primer,
forgotten the name. It allegedly bonds to rust & stops it.
On Sat, 17 Jun 2006 03:27:04 -0700, Frank Thompson wrote:
There may be something better now, but 25+ years ago, my ex sandblasted
and painted several items with Imron. One was one of the metal pans for
mixing small batches of concrete. The surface coat did eventually abrade
some but it held up surprisingly well. A major benefit was that it was
easy to clean with water after use. He followed the instructions and key
to success was applying the specified phosphate pre-primer immediately
after sandblasting, followed by the regular (red) primer and topcoat.
Take a look at POR-15 which is a new rust treatment/paint. My
friends swear by it (I just did the rear bumper on my Explorer) and it
is used by many shops that do treatments for chassis etc.....
(lots of places sell it on the web)
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