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Feb 19, 2024 16:22:58 GMT
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On my older cars I've always tried to clean rust back to a shiny surface and paint with epoxy but we also hav ea 2010 fiesta we use as a winter run around where most of the back half of the vehicle underneath is just e-coated, this now has patches of light rust forming.
This is not going to be a restoration project so I am looking for something quick and simple to slow this down, my thoughts are clean up what I can and paint it with either Eastwood or buzzweld encapsulator, or treat it with rust converter and overcoat with some sort of underbody wax, any one any experience of using the rust encapsulator?, any better ideas on how to treat it?
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stealthstylz
Club Retro Rides Member
Posts: 14,960
Club RR Member Number: 174
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Rust encapsulatorstealthstylz
@stealthstylz
Club Retro Rides Member 174
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Feb 19, 2024 22:28:41 GMT
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I did underneath my mum's 2006 Civic about 7 years ago that was getting scabby - I bought a 5L tin of Duck Oil and soaked the whole underneath of the car with it using a garden sprayer thing, including in box sections etc, then coated the whole lot with Dinitrol. Still looks good now, and I had a poke round a couple of bits I remember been particularly rough when I MOT'd it and they weren't any worse.
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slater
Club Retro Rides Member
Posts: 6,390
Club RR Member Number: 78
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Rust encapsulatorslater
@slater
Club Retro Rides Member 78
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Feb 20, 2024 10:34:01 GMT
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Rust encapsulator is just phosphoric acid with an acrylic binder. Doesn't really do anything special.
What i would do is brush/spray some phosphoric acid on effected areas (after ruffing them up with a wire brush if possible). Leave that to dry then Id them probably put a bit of rattle can zinc primer over and coat with some rust protection like dinitrol/bilt hamber.
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Feb 20, 2024 20:28:35 GMT
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I've got some Polish rust coverter thay seems to work really well. I'll go over the rust with that then some dynax UB we also have.Got to find what's under the "to MOT standard" patch stuck on the bottom of the sill and re-do properly first though.
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Ratchet
Part of things
The user formerly known as Thomas
Posts: 738
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while gettting rid of the rust is the best option, if its not viable/worth doing, one of the convertors should work at least in slowing it down somewhat,
you do need to make sure all the loose rust etc is cleaned off, a good chunk of the convertors use a water basedcarrier (the ones that are a milky/light blue colour then go black when dry) so need to let it dry before overcoating, and if i remember correctly hammerite will not stick to it or has a reaction of some kind
and goes without saying that if its coming through the panel converting the surface rust wont stop it for long.
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Competition is the law of the jungle, but cooperation is the law of civilization.
1971 vw beetle 1200
1978 international loadstar 1700 4x4
1987 landrover 110
1994 Yamaha FZR600r
2010 honda CBF1000GT
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Mar 24, 2024 12:01:41 GMT
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Rust encapsulator is just phosphoric acid with an acrylic binder. Doesn't really do anything special. What i would do is brush/spray some phosphoric acid on effected areas (after ruffing them up with a wire brush if possible). Leave that to dry then Id them probably put a bit of rattle can zinc primer over and coat with some rust protection like dinitrol/bilt hamber. We use "PH down" to remove rust on panels at work, it's 81% phosphoric acid and readily available. It doesn't flash rust when you wash it off with water afterwards so you have time to dry it down properly.  |
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