Acid Burn Granite

Marble and limestone have a high amount of calcite and are most susceptible to etching but granite is not impervious.

Acid burn granite.

First rinse the area thoroughly with water to dilute and remove as much of the lye as possible. Prolonged or repeated exposure to acidic compounds can wreak havoc on the finish of your granite countertops. Granite etching is usually due to the frequent use of improper cleaning products or acidic food spills that have been neglected. The reason acidic cleaners damage natural stone is because stone contains some concentration of calcite which reacts to even weak acids by dissolving.

Get 30 40 hydrogen peroxide the chemical grade version which is available at chemical supply stores some beauty supply stores and online. The chemicals fall to earth as acid rain. Granite is not however invulnerable to damage. A chemical burn occurs when your skin or eyes come into contact with an irritant such as an acid or a base.

Why acids damage granite. Acid rain is slowly destroying once resistant granite. Two paths could be taken first check granite and marble suppliers to see if they offer supplies or a service to polish. It is quite possible that the damage is minor but the most reasonable method of restoring the surface is by polishing.

Although it is resistant to etching acids and other corrosive agents may etch its surface. Granite is mostly silica and hydrofluoric acid is used by geologists to dissolve silica minerals. Acid rain is created by air pollutants. Chemical burns are also known as caustic burns.

A positive vigorous reaction indi. It should also dissolve most of the feldspar but the presence of calcium minerals forms insoluble calcium fluoride. For the sake of your granite we do not recommend diy solutions to granite etching. Acidic foods such as lemons or tomato sauce can discolor a granite counter top and mar its beauty.

The acid has reacted with the granite and etched the surface very slightly. Acids in foods household cleaners and other substances all have the potential to make the finish look dull and damaged. Sulphur dioxide a byproduct of industrial development and burning fossil fuels combines with nitrogen oxide an air pollutant created by car exhaust furnaces boilers and engines. If you have to ask this question you may not be competent to deal with this acid.

Next you can try using a poultice to draw the stain out of the stone. Is there a diy fix for etched granite.