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Author Topic: UFB Crafts class: Evapo Rust  (Read 400 times)

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Offline angrybird

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UFB Crafts class: Evapo Rust
« on: September 08, 2020, 04:26:51 PM »
Welp after hearing Bones' testimonial I got myself a jug of this stuff to try out. 

Offline angrybird

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Re: UFB Crafts class: Evapo Rust
« Reply #1 on: September 08, 2020, 04:29:48 PM »
Here is the test pilot.  It' the little brace piece that reinforces the VIN tag on the dash.  Totally covered in rust - I don't believe it was ever painted.

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Re: UFB Crafts class: Evapo Rust
« Reply #2 on: September 08, 2020, 04:35:40 PM »
In she goes..

Offline angrybird

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Re: UFB Crafts class: Evapo Rust
« Reply #3 on: September 08, 2020, 04:36:31 PM »
..and here is the piece 12 hours later:


Offline angrybird

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Re: UFB Crafts class: Evapo Rust
« Reply #4 on: September 08, 2020, 04:37:39 PM »
...and here it is after about 36 hours of soaking.  There is some staining in the pitted sections but I do believe this one is fully cleaned.

Offline angrybird

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Re: UFB Crafts class: Evapo Rust
« Reply #5 on: September 08, 2020, 04:42:27 PM »
Unlike Muriatic acid, this stuff seems to be OK for leaving the part soaking for as long as you want.  I left the VIN tag and spiky cowl ground thing to soak in there for about a week, and everything cleaned up real good, no damage to the metal that I could see from all the soaking.  The VIN tag paint lifted off but the ground thing (which had a better coat of paint on it) basically stayed painted, with just the little bit of rust that was on it gone once it came out of the soak.

I'd call this a successful experiment and the stuff really does seem to work a treat.  As mentioned above it's probably best for unpainted rusty things but I'm sure it could be used quite effectively for painted metal too.

Offline Burd

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Re: UFB Crafts class: Evapo Rust
« Reply #6 on: September 08, 2020, 09:35:28 PM »
So do you bead blast it or just wire wheel it now?  Whatís the finish on those, flat black?
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Offline angrybird

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Re: UFB Crafts class: Evapo Rust
« Reply #7 on: September 09, 2020, 09:10:25 AM »
I think the staining is just that - not residual rust.  I threw a quick coat of Rust-oleum flat back on them to protect the raw metal so the rust process wouldn't start again.  Once installed, these parts will get a coat of 2K epoxy and then a urethane topcoat like the rest of the cowl.

I forgot to add I threw the body tag and its' attaching screws in the solution too.  Same overall result - painted surfaces stayed put and rust dissolved.

For doing screws and bolts I think a soak and then a session in a tumbler would probably be a real good way to clean things up like new.   I don't have a tumbler (still debating) but if I get one I'll give that a try and maybe report the results too.

Offline BONES

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Re: UFB Crafts class: Evapo Rust
« Reply #8 on: September 09, 2020, 09:07:10 PM »
👍🏻👍🏻

Offline TAKerry

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Re: UFB Crafts class: Evapo Rust
« Reply #9 on: September 14, 2020, 03:27:50 PM »
I really like the way that stuff works. I like to take a scotch bright pad to the metal afterwards. Takes some of the dullness and residue away.