Is Evapo-Rust Better Than Hydrochloric Acid For Removing Rust?
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- Опубліковано 15 кві 2022
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/ @ajrestoration I have conducted a little test to find out if Evapo-Rust is better than Hydrochloric Acid for removing rust.
For the full restoration.
• Rusted Junk Bench Vice...
I am not a professional, I am just having some fun in the shop.
At $27.00 a gallon for Evaporust vs $9.98 a gallon for muriatic acid, it might be a cost factor.
commercial acid pickling solutions often have some phosphoric acid to prevent flash rusting, but it too leaves a dark film on the metal.
I use Evaporust and have very good results with it. Plus, it is safe to use, biodegradable, and easy to clean off. The instructions say to re coat your item after cleaning it, and let it air dry to prevent rusting, and it seems to accomplish that. Regards from Canada 🇨🇦
Thanks for sharing your experiment with us 👍
Hydrochloric acid does a better job removing the rust, so use it first, brush it, and then soak it in Evaporust to prevent the flash rust.
great video - been ugin evapo rust for quite some time now and I'm super happy with the results - I combine it with an ultrasonic cleaner using only water for a good finish, though you can use some other chemicals too! tanks for the video!!
Not sure whether the trim on my stove is CHROME or STAINLESS... and want to remove rust. Have some HCL on hand but a bit fearful to use it. Regrettably cannot remove the parts (welded) so need to paint on the chemicals, not sure how long to leave them on. But this video was helpful gives me a clue on what to expect. Thanks.
I had just asked the question in my head as to what would happen if you used acid and then evapo-rust. So glad it occurred to you too. I've always disliked that black tint left by evapo-rust. This looks like a happy medium.
I hear Evaporust is very safe on metals but leaves black residue, did you experience any pitting with Hydrochloric acid? Judging by the video, the best method would be to pre-clean the rust with Hydrochloric acid then followed by Evaporust afterwards? Thanks for any advice.
First, just outstanding content. Much to see here and learn. But caution is advised as some of the chemistry below does require knowledge of what you are doing, and also requires some protective gear such as goggles and chemical gloves.
I'm putting my trust in Evaporust over the acid, just for safety reasons alone
I use hydrochloric acid a lot, but always rinse the part in clean water then soak the part (for aprox. the same time it was in the acid) in a washing soda bath. I've found, especially cast iron, that some acid can remain absorbed in the material and it needs to be neutralised.
I use muriatic acid myself, but you have to watch it so it doesn't continue into the metal, & then you neutralize it. As far as Evapo-Rust goes if you are willing to double the wait time cleaning vinegar works just as well.
Ottimo lavoro fratello, complimenti 👍👍👍👍👍
Weird test as you if you had just coated the section with the hydrochloric with some wd40 or any oil, it would not have flash rusted. It is literally stripped to as bare metal as you can get - the evaporust is a converter. what i like to do is clean deep rust with hydochloric - neutralize it and then throw some phosphoric on it because that will clean up the rest and leave a coated part that will not rust.
What percentage of hydrochloric acid did u mix with the evaporust?
@AJ Restorations, been stressed out lately and your videos videos help me sleep
Citric acid is the value winner in rust removal.
HCL eats metal, just like vinegar, grinding, sanding etc. Evapo-rust does not. Depending on what you are de-rusting would depend on what you use. Vinegar works too but it also removes metal. Large heavy metal pieces use HCL, smaller, machines or delicate parts use evapo-rust.
I have seen this stuff in Aus recently and tempted to try it. Great comparison.