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del mar
Banned
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Location: the cantina of course
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paint over rust
looking for a source to buy POR15 in TJ-rosarito-ensenada. anyone have a source without crossing north? gracias 
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tiotomasbcs
Super Nomad
Posts: 1837
Registered: 7-30-2007
Location: El Pescadero
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Does it work? Results? Cost? Rust Never Sleeps!
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woody with a view
PITA Nomad
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Location: Looking at the Coronado Islands
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good chiit! yes it works. $$$
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del mar
Banned
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$45 a quart, works best on already rusted metal, no idea of the science behind it 
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rts551
Elite Nomad
Posts: 6699
Registered: 9-5-2003
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Por15, Zero Rust and others work OK on surface rust. It smothers the rusted part, not lettting moisture and oxygen get to the metal. Deep rust
where the metal is rusted through will not fare so well. I have had mixed success with it. I prefer to use a rust converter and then zero rust
primer.
I suspect you could order it from Amazon..they deliver to Mexico now.
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SFandH
Elite Nomad
Posts: 7084
Registered: 8-5-2011
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What about Naval Jelly (not navel jelly).
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Sr.vienes
Nomad
Posts: 151
Registered: 7-23-2017
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I love the ocean, but whose idea was it to put salt in it. Steel or wood, rust or termites take your choice.
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AKgringo
Elite Nomad
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Registered: 9-20-2014
Location: Anchorage, AK (no mas!)
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A few years back, my Alaskan go-to rig was a heavy duty Suburban. When I went to BFG Mud Terrains on alloy rims, the brake drums and front hubs were
rusty and ugly!
I jacked it up, used parts cleaner and power washed them on the vehicle. I then used a product which I believe was called "Endrust" or something
similar. It was a white milky fluid that turned to a black primer when it dried.
I then topped it with a metallic silver paint (Hammerite) close to the same shade as the Suburban. The end result was a tough, salt resistant finish
that held up to the heat of the brakes.
They still looked good when I sold the truck after five years of running beaches at low tide, and salt on the roads in the winter!
If you are not living on the edge, you are taking up too much space!
"Could do better if he tried!" Report card comments from most of my grade school teachers. Sadly, still true!
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motoged
Elite Nomad
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Once the POR can is opened, you need to ensure it is recapped quickly as ambient moisture apparently wrecks the remaining POR....read the fine
print....otherwise works well....
Don't believe everything you think....
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Sr.vienes
Nomad
Posts: 151
Registered: 7-23-2017
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A friend sent me test results of all the best penetrating oils and the best by two to one was a homemade mixture of 50/50 acetone and ATF. Kinda not
really safe but really does work and I have a lot of old rusty crap.
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Bob and Susan
Elite Nomad
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Location: Mulege BCS on the BAY
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nothing works on rust except a sand blaster and then a welderto weld in the new piece
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AKgringo
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Well, I thought I reported a very satisfactory result from treating my rusty running gear, but Susan is saying that I am either wrong, or a liar! Or
maybe it was Bob.
If you are not living on the edge, you are taking up too much space!
"Could do better if he tried!" Report card comments from most of my grade school teachers. Sadly, still true!
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willardguy
Elite Nomad
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susan's an angry old man....who knew?
anyway my buddy just painted his boat trailer with POR15 and his complaint was it has no UV protection, other than that it worked well, just not as a
topcoat.
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SFandH
Elite Nomad
Posts: 7084
Registered: 8-5-2011
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A boy named Sue.
https://www.youtube.com/watch?v=WOHPuY88Ry4
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BajaGlenn
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Used it for years works well but you cannot get it off your hands nor your clothes either--Highly recommended
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mtgoat666
Select Nomad
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Location: San Diego
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Susan,
You are so wrong, again. 
I recently used an epoxy-type paint (had to add an activator, and apply w/in an hour) that goes over rusted metal. You have to remove the
flaking/loose scale, but then the paint locks down the remaining oxidation. Don't think you can buy it at Home Depot, but commercial paint
salespeople can spec the right stuff, if you need it.
Hard to buy the good stuff retail in USA (due to clean air laws), but I bet it's easier to buy in "lawless" Mexico 
Woke!
“...ask not what your country can do for you – ask what you can do for your country.” “My fellow citizens of the world: ask not what America
will do for you, but what together we can do for the freedom of man.”
Prefered gender pronoun: the royal we
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Maderita
Senior Nomad
Posts: 670
Registered: 12-14-2008
Location: San Diego
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POR 15 requires the preparation of rusty surfaces by degreasing and converting the rust. They sell both products.
For typical painting of rusted steel, I convert rust with phosphoric acid product prior to painting with a red primer for rusty metal. Klean-Strip
"Rust Converter" (spray can) or gallon jug "Prep & Etch" or Jasco Prep & Primer chemically convert iron oxide (rust) to iron phosphate. I
brush or sponge it on and let sit overnight. Deeper rust might require a second application. If you haven't used this stuff before, it is magic!
http://www.homedepot.com/p/Klean-Strip-1-gal-Phosphoric-Prep...
POR 15 has their own rust converter. Not sure if it is a similar phosphoric acid product, perhaps the same stuff at an inflated price.
PO 15 must be topcoated for UV protection. Yes, they also sell a topcoat.
Before deciding on POR 15, do all the research on proper application.
http://www.por15.com/
technical & FAQs here: http://www.por15.com/Product-Info_ep_60.html
I'm currently refurbishing a horse trailer. Not sure that I want to go to the expense of using POR 15. That stuff isn't cheap, especially when you
need a gallon, plus the prep solutions and a topcoat.
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AKgringo
Elite Nomad
Posts: 6031
Registered: 9-20-2014
Location: Anchorage, AK (no mas!)
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One word of caution, phosphoric acid, or the products used to convert rust will etch concrete immediately. Protect your floor if you are working on a
slab.
If you are not living on the edge, you are taking up too much space!
"Could do better if he tried!" Report card comments from most of my grade school teachers. Sadly, still true!
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Bob and Susan
Elite Nomad
Posts: 8813
Registered: 8-20-2003
Location: Mulege BCS on the BAY
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anyone who takes this advice...good look
rust is a cancer...the ONLY repair is to remove it completely
sandblasting does a good job but stresses the metal...
then cut the bad stuff out and replace by welding
there is NO cure for the "common cold" no matter what people tell you
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DENNIS
Platinum Nomad
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Asphyxiation would be my guess. Deprive the metal of air, and it can't rust.....like....things don't rust under water.
[Edited on 9-14-2017 by DENNIS]
"YOU CAN'T LITTER ALUMINUM"
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