You re right to have reservations about using such a strong acid for cleaning rust around the house though.
Muriatic acid on sheet metal.
Because of the amount we do have to do it outside where we are at the mercy of the weather.
I owned a retail paint store and carried muriatic acid at one time i received a case of 4 gallons on a friday and was unaware that the plastic top had cracked on one of the gallons in the case.
Making sure you re wearing gloves eye protection and are doing this outside in a well ventilated area add the steel plates to the tray and pour enough muriatic acid to cover their surface.
Place the steel in.
Possible acids include muriatic hydrochloric acid hcl nitric acid hno3 or sulfuric acid h2so4.
The gases produced will include hydrogen so use some common sense while the hinges are stripping.
You should not combine more than a gallon.
I ve also had some success applying it with a spray bottle.
Choose the acid you want to etch the steel with.
Step 5 wait overnight for the vinegar do do its work and wait about an hour for the muriatic acid to do its work.
Take necessary precautions put on latex gloves eyewear boot clothes and mask before preparing the solution.
Mix the solution mix water with muriatic acid in a 3 gallon bucket.
If you are working with muriatic acid buy a cheap brush or sprayer that you can throw away afterwards.
Apply the acid to the galvanized metal with a brush or sprayer if you are removing the zinc from larger items such as sheet metal.
Certain non acids that form acid in water such as ferric chloride fecl3 or copper sulfate cuso4 can also be used as etching chemicals.
You can treat rusting metal with muriatic acid and it will dissolve the rust which is why steel pickling a process that removes tarnish from steel prior to marketing makes use of it.
So the cautious diyer should only use it only.
Safety data sheet muriatic acid 20 deg.
Muriatic acid 20 deg.
01 11 2013 page 1 of 7 1.
Link to product info on amazon to rust sheet metal also but need to find a better way to neutralize it after it rusts.
Hydrogen chloride cas number.
Also having trouble with black spots when the weather is damp.
Currently using super sock it for pools.
I opened the store on monday and instantly knew what it was every paint can in the store had a light surface coating of rust i decided that day that.
I use muriatic acid affil.
Muriatic acid will remove the zinc just fine.
Acidification activation of petroleum wells scale removal ore reduction metal cleaning industrial acidification.