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Old 09-28-2022, 04:18 PM   #1
Skoolie
 
Join Date: Mar 2020
Location: Raleigh NC
Posts: 146
Year: 2000
Coachwork: Blue Bird
Chassis: TS FE 2509
Engine: Cummins 5.9l ISB CM550
Rated Cap: 34
Ospho or Rust Kutter?

OK, so I’m stripping my floor, the rust isn’t too bad and I was going to use rust kutter(30% phosphoric acid)to treat the rusty areas but I don’t know if that will etch and I’m assuming my floor is galvanized. I stripped one small section with Citristrip , and now I’m hitting it with a 60 grit flap disc I just don’t like using the Citristrip it’s nasty stuff. I’m about 1/3 done and I’m thinking after some searching maybe I should just use ospho after I’m done stripping. Opinions? That’s the worst of the rust that I already clean up in the pictures.
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Old 09-28-2022, 07:51 PM   #2
Skoolie
 
Join Date: Mar 2020
Location: Raleigh NC
Posts: 146
Year: 2000
Coachwork: Blue Bird
Chassis: TS FE 2509
Engine: Cummins 5.9l ISB CM550
Rated Cap: 34
more confused

I started reading about Corroseal This converter is composed of gallic acid, ethylene glycol and acetate and rust-oleum rust reformer which is is a tannic acid based rust converting product. It also has an acrylic vinylidene chloride copolymer additive. Tannic acid acts as a chelating agent while the copolymer creates a protective coating. and I'm really confused now haha
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Old 09-28-2022, 09:01 PM   #3
Bus Nut
 
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Join Date: Oct 2021
Location: Jax Beach, FL
Posts: 410
Year: 2003
Coachwork: BlueBird
Chassis: TC2000 28ft
Engine: Cummins ISB 5.9 24v, MD3060
Rated Cap: 14
TMI. Spray down some Ospho. I wire wheeled the loose stuff off and oshpoed it all from a spray bottle. I then wire wheeled the residue off of rinsed it out.
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