Spray lacquer on a piece of scrap metal to make sure it sprays clear, and then spray it on exterior brass fixtures.
Cover brass fixtures in lacquer if your want a more permanent solution to prevent brass from tarnishing. Test a spray lacquer on a piece of scrap metal to make sure it sprays clear, and then spray it on exterior brass fixtures. Tarnishing is a natural process for many metals that occurs due to exposure to sunlight and other elements. If you want to stop brass from tarnishing, keep the brass out of the elements or coat the brass. Coating brass creates a protective barrier that keeps the elements from tarnishing the metal The problem is that the brass of the case and the copper of the bullets tarnish really fast. I can get it back to a nice shine with some fine steel wool but then it just tarnishes again in about a week, even if I put some light... Source(s): brass copper tarnishing: https://tr.im/oHM57. Tore · 2 months ago. Best Answer: Polish them up, clean them with alcohol and then spray with a clear lacquer. If you want even a better finish take them to a good band instrument repair shop, their (our) spray is the same stuff that keeps band instruments shiny for 30 years. Source(s): brass instrument tech. Just a quick video on how to keep your jewelry from tarnishing! What you will need: -Some type of protectant layer or if you are doing this outside you can SKIP this. It's raining where I live so I had to do it indoors. -A paper bag or you can just use an old moving box.  It's easy to do, just wash the metal with a solution of water and EZ-Prep Cleaner and Neutralizer. Just mix one part EZ-Prep to 4 parts water. Wash the metal, rinse with water and dry. As an alternative to the EZ-Prep, you can also use a solution of water and calcium carbonate or baking soda. Use about a cup of Baking Soda in a Gallon of Water. Even copper and brass can retain moisture, it is helpful to heat the metal with a heat gun or even a hair dryer to make sure that all moisture is evaporated. Let the metal cool before applying the coating. Click here for preparation and application directions for storage doors, siding or metal buildings. 1 You could also try boiling your brass to remove the lacquer, depending on the size of the piece. 2  Submerge the brass piece in a non-aluminum pot with boiling water mixed with 2 teaspoons of baking soda. 3  Let the brass piece boil for a few minutes, remove it carefully from the water, and peel off the coating of lacquer. Clean the entire brass-plated surface with a mixture of mild soap and cold to lukewarm water. Dip a cloth into the soapy water, wring out the cloth so it is only slightly damp, and gently rub the surface of the brass piece. 1  If the soapy water isn’t enough, you can try adding a mild dish detergent to the water. These elements tarnish due to moisture from the air. You can spray a clear finish on them and it will shield the metal from oxidizing. You can even use hair spray in a pinch. Anything that seals them from the atmosphere will work. Best Answer: Polish them up, clean them with alcohol and then spray with a clear lacquer. If you want even a better finish take them to a good band instrument repair shop, their (our) spray is the same stuff that keeps band instruments shiny for 30 years. Source(s): brass instrument tech. 7. Soak a soft cloth in hot vinegar and dip it in table salt. Rub the brass on the chandelier with the cloth until the brass is clean. You may have to do this several times. Wash the vinegar and salt solution off of the brass with hot soapy water. Rinse the soap off of the chandelier and dry it thoroughly.  The problem is that the brass of the case and the copper of the bullets tarnish really fast. I can get it back to a nice shine with some fine steel wool but then it just tarnishes again in about a week, even if I put some light oil on it. Best Answer: Polish them up, clean them with alcohol and then spray with a clear lacquer. If you want even a better finish take them to a good band instrument repair shop, their (our) spray is the same stuff that keeps band instruments shiny for 30 years. Source(s): brass instrument tech.
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what can you put on brass to keep it from tarnishing