Soluble salts mostly with calcium are subsequently leached out whereas insoluble salts along with amorphous hydrogels remain in the corroded layer.
Concrete roof cleaning with hydrochloric acid.
Hydrochloric acid also known as strong water or muriatic acid is a chemical normally used for cleaning hard surfaces and surfaces which are hard to clean such as brick concrete and others.
Wear a respirator designed for use with hydrochloric acid gloves goggles or a face shield and a long sleeved shirt with long pants or a chemical resistant suit.
I share this demo video to help me or anyone else who never seen this before just like me to understand on how the cleaning process was applied by my handy.
The chemicals formed as the products of reaction between hydrochloric acid and hydrated cement phases are some soluble salts and some insoluble salts.
For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating installers depending on the floor size and system to be installed.
For years everyone knew the only way to clean concrete off a truck ready mix truck was with an acid more specifically a hydrochloric muriatic acid.
This is a highly corrosive product should be used with extreme caution otherwise it may damage your skin or the objects of your home.
That trend went on for many years.
Dilute the acid with water at a 1 to 4 ratio.
For many years it has been the standard cleaning method to prepare concrete for coatings installations to remove stains of any type from concrete and to remove concrete slurry or efflorescence from bricks.
Hydrochloric acid which is mainly sold for brick cleaning will attack the lime in the concrete and dissolve the bond.
When it is used to clean a concrete floor driveway or pavement it is quickly neutralized or mostly neutralized on contact or when the fizzing has stopped so it only acts on the surface.
Drivers hated cleaning the trucks due to the odor.
Brush the acid over the concrete with a push broom or a long masonry brush.
In this video i test chemicals 15 sodium hypochlorite 38 hydrochloric acid on my roof algae follow up video.
Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water.
Always add the acid to the water to help prevent acid splashing out of the mixing container.
Although it worked yes it absolutely takes off the concrete off the truck.
Hose down the entire area you want to wash then use a plastic watering can to sprinkle your diluted acid onto the concrete.
Hydrochloric acid attack on concrete.