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army_inc Member
Joined: Jan 31, 2012 Posts: 197 Location: West Point, VA
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Posted: Wed May 23, 2012 7:58 pm Post subject: POR 15 my frame? |
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Hey guys. I've read about POR 15 and I'm looking for a good way to clean and make sure my frame doesn't rust. I've read other forums from the search function about POR 15 but everyone did the body and or other parts, but not the frame. Has any had any good experiences with the frame? Any insight would be greatly appreciated. _________________ Dave
52 M38A1 |
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oilleaker1 Member
Joined: May 14, 2009 Posts: 972 Location: South Dakota
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Posted: Thu May 24, 2012 6:23 am Post subject: |
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In my opinion (LOL) Poor 15 is a covering that "incapsulates rust". That is hype. It still doesn't stick, and is a pain to get rid of just like Rhino lining. Blast the rust off your frame, paint it with a good epoxy primer sealer, and then your choice of paint. Chassis black, semi gloss black, or gloss black as desired. (or OD Green or Red or whatever is your choice of color. ) They sell the epoxy in a red shade which is very close to the red oxide original shade. On my M38, I blasted the components and then used all enamel primer and OD green from Rapco. 30 bucks a gallon compared to 250.00 plus for the epoxy. The drawback is it isn't as durable. Brake fluid and gasoline will lift the enamel. Gasoline didn't lift my epoxy painted gas tank-------that is tough stuff! Don't believe everything you see on the DIY channel, someone is making serious bucks there! John |
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TomM Moderator
Joined: Apr 18, 2005 Posts: 458 Location: Rhode Island
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Posted: Thu May 24, 2012 12:45 pm Post subject: por15 |
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I agree with John. POR can cover rust. But rust never sleeps and it will work its way back through. How long it takes depends. I have experimented a lot with POR 15 on my daily driver car which sits outside in the rain and salt air. Sanding the rust smooth, coating with a couple coats of POR and topcoating with an enamel gives about a year before blisters work their way under the paint. If it were inside and never saw moisture the time would be very different.
The only way to stop rust on a Jeep, ship or anything else is to blast down to bare metal and coat it with a barrier coating. Epoxy primers under OD seem to work very well.
POR is a very hard coating so it does have its uses. Don't get it on your hands.
John - where did you find red-oxide epoxy primer? Black and gray are common.
Tom |
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53a1 Member
Joined: Jun 25, 2008 Posts: 583 Location: Kern Co.
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Posted: Thu May 24, 2012 4:18 pm Post subject: |
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John is spot on with what I've observed.
I did my frame in Rapco primer and paint and it holds up great if you don't get brake fluid on it. It will tolerate fuel as long as it doesn't sit on there for days. On my gas cap, I painted the inside and the fumes and splashing bubbled the paint and primer after time. Brake fluid removed it much quicker.
Other than that I wouldn't worry. I've dropped tools and hammered on the Rapco paint and primer combo and it didn't budge.
The key is prep. Sand blast and use a phoshoric prep if you still suspect traces of rust.
Sorry but you can't cover rust. You have to totally convert it or get rid of it. Thick coats of rust cannot be converted only traces can be converted. _________________ '53 M38A1 X2 |
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oilleaker1 Member
Joined: May 14, 2009 Posts: 972 Location: South Dakota
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Posted: Thu May 24, 2012 5:25 pm Post subject: |
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To answer the question about where to get red Epoxy, it's PPG's brand of DP primer. They have it in black, grey, white and red. PPG stands for: Pittsburg Paint Group or as bodymen joke: Pi$% Poor Gloss John |
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oilleaker1 Member
Joined: May 14, 2009 Posts: 972 Location: South Dakota
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Posted: Thu May 24, 2012 5:31 pm Post subject: |
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Another very important thing to consider is that for 6 or 7 bucks, you can get Rapco's spray can paint loaded with the same paint that comes in the gallons. It's fantastic for small parts, or touch up for your boo boos. That's all of their paints including primer. I'm sold and keep it in stock now. Even I can paint a perfect concours GI-Type paint job. Runs and dents look good when I'm done! John |
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