rust

Alan D Harmon · May 17, 2023

Has any one used POR-15 rust prevention. Have seen it advertised

Mike M · May 17, 2023

I used it on my 1996 dodge truck rear hitch. It all flaked off ? I am thinking the sunlight effected it ? I also put some on my driveshaft and it all held up and stayed fine. I am wondering if it needs to be top coated ?

Patsdeere · May 17, 2023

Yes por15 needs top coating of exposed to the sun.

3LFarms · May 17, 2023

POR-15 is a good product, but it is not a rust preventative. It s called Paint Over Rust for a reason. It really requires the metal to have at least some light rust on on it. If you are looking to protect new raw metal, something else would probably be a better choice.

The kit comes with a cleaner to degrease the area and a rust converter that you apply after removing any loose rust or scale. Once that is dry, you apply the paint. The now converted rust gives tooth for the paint to adhere properly. If all the criteria are met, it works well and a quart covers more than you would think.
It goes on black, but UV exposure turns it gray over time and it gets a bit chalky, but I have never had any more rust anywhere I used it.

Janicholson · May 17, 2023

It works with limits. It cannot be exposed to sunlight after curing. It is OK to paint it with opaque UV resistant paint. It cannot be applied on non rusty metal. Flakes off of shiny steel. Only purchase it in containers that are the size used for a job. Get with the application and do not take a break. all application materials should be disposable quality, they do not clean up at all. Do not use excessive wire brushing just the loose flakes. I would use it again, but experience is a good teacher. It is not paint at all. I have had somewhat better reward using clear rust converters. Jim
One converter of many

woodbutcher · May 17, 2023

I used it to coat the inside of my Ford 4000 fuel tank. It served the purpose on that job.

Butch

GlenIdaho · May 17, 2023

Yes, I've used it to seal the inside of the hood of my 850. The idea was to seal it from all future rust. The sheet metal had been sandblasted first and cleaned. Then POR-15 was brushed on with 2 light coats. I surprised how it leveled itself out. I then put a coat of their primer over the POR-15 so that it would accept paint, primed and then PPG's Omni. It is sealed. I know it may have been overkill, but it is sealed up. It's been 10 years now and still looks good with no sign of rust. I also used it on the underside of a mower deck. After cleaning and prep I put on 2 coats. Though it is a hard paint, it didn't hold up, chipped and peeled. I imagine the conditions of mowing were to extreme for it to hold up. was worth a try though.

Duner Wi · May 17, 2023

I store the unused in baby bottles. If you can get a good seal it works quite well. If I have 1/2 a baby bottle I use cling film over the open jar, push film down to paint to remove air, put lid on and hope it works. many times it does. Works quite well direct to Fiberglas cloth to patch small holes. Used instead of polyester or epoxy resin.

Alan D Harmon · May 17, 2023

Thank you for all the comments. I in joyed them.

rust

Alan D Harmon

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Mike M

Well-known Member

Patsdeere

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3LFarms

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Janicholson

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woodbutcher

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GlenIdaho

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Duner Wi

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Alan D Harmon

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