Can I Paint Concrete Without Etching? - That Painter Beyond that it's a matter of experimentation. If you need to warm your acids to be used, the best way to place your acids container is in a large amount of warm water. Muriatic acid is a powerful and corrosive acidic liquid made from hydrochloric acid, water, and other trace minerals. Neutralize the acid and Lightly sand the oxides off with scotch bright or 2000/3000 grit sand paper and re etch (don't touch it with your fingers). When you are happy with how deep the etch is and have done the final scrubbing, dip it in the acetone, allow to dry then give it another 3 minutes or so in the acid to get the final finish. on Step 8. Muriatic Acid will give a mirror/frosted finish on a polished finish and a lighter grey/grey pattern on a matte finish. Make Ferric Chloride (for etching printed circuit boards). There are lots of ways and if they work they are correct. Muriatic Acid - How to Use Muriatic Acid - Popular Mechanics Sign up for a new account in our community. How to Acid Etch your Garage Floor for the Best Results Do yourself a favor and get Ferric Chloride/PCB Archer Etchant from Radio Shack/online. These bridges or buildings aroun, Make sure to wear regular gear when working with acids. To warm your acid more quickly, the best method is to place the container of acid into a large bowl of warm water. this works well as a etchant but i have found ferric made this way is not as stable as store bought. Should I dilute ferric chloride for etching? Put on your protective gear. Etching. Acid Etching : 7 Steps (with Pictures) - Instructables 90% lower fumes than standard Muriatic Acid. Leave the copper blank in the solution for at least half an hour. Over the years, Damascus1 has produced various products using one of the four hairdressers of the nazel hair. Etching is done by exposing the cleaned and polished specimen surface to suitable etching solution such as those described in Table 1.