Clean using ONLY a mild detergent and water. CAUTION: DO NOT USE AMMONIA-BASED CLEANERS ON LACQUERED BRASS. THEY WILL DETERIORATE THE COATING. Rinse thoroughly and dry with a clean, soft cloth.
Baking Soda and Lemon Juice Paste:
Apply to the brass surface with a soft cloth, let it sit for 10 minutes, and rinse with warm water. This method is perfect for those who prefer natural, chemical-free options.
When brass corrodes, it can undergo dezincification, a process in which zinc is lost and copper is left behind. Mild dezincification may simply cause a cosmetic change, namely, the colour of the surface turning from yellow to pink, but severe dezincification can lead to the weakening of brass and even its perforation.
Brasso and Bar Keepers Friend are two excellent brass cleaners used to polish up and clean the brass to a nice shine. I tend to prefer Bar Keepers Friend because it comes in a powder form, and I can make a thicker paste.
When not in use, store brass items in a dry, cool place. Avoid humid environments as moisture can accelerate tarnishing.
(Cola or peroxide? Not proven or recommended for household brass; those methods are sometimes suggested for firearm cleaning.)
You may not notice it, but it can dissolve brass itself, depending on its potency. So, when you polish brass with vinegar, be careful not to scrub or buff too hard. You don't want to damage the surface of your brass item, especially if it's just a cladding to a different material.
Salt, in particular, tarnishes brass quickly and must be kept away from brass intended to be kept shiny. Chemicals in rainwater, tap water and air, as well as those found on our fingers and in food, are also corrosive.
Another disadvantage of brass is its relatively low strength and fatigue resistance compared to other metals, such as steel or aluminum. Brass can deform or fracture under high loads or repeated cycles of stress, limiting its applications in high-stress or dynamic situations.
We like to use WD-40. It is not only very easy to use, but is also quick and very effective. All you need to do is coat the gold and brass lamp with a layer of WD-40, which is a great to clean brass and let it sit for about 15-30 minutes. Take a clean cloth and rub the lamp in circular motions drying and buffing it up.
Most brass musicians grease their slides once every 2-3 weeks. As a general rule of thumb, don't use Vaseline or any other type of petroleum jelly on the tuning slides- they'll corrode the tubes and can cause seizing of the slides. Only use slide grease that's created specifically for brass instruments .
Avoid using anything that could scratch the surface of the brass, such as a paper towel or a rough cloth. * A mild dish soap: A small amount of dish soap added to warm water will create a gentle cleaning solution that won't damage your instrument.
Cleaning brass: the basics
A number of household products can be used to help you maintain brass including everything from basic soapy water to Coca-Cola or white vinegar.
This might surprise you, but yes, you sure can clean brass using just toothpaste.
Brass will corrode in the presence of moisture, chlorides, acetates, ammonia, and certain acids.
Brasso is great for to bring back shine to door knobs and locks. Bar Keepers Friend tackles both rust and tarnish on brass pieces. Twinkle Brass & Copper Cleaning Kit actually has an anti-tarnish ingredient that extends the treatment, making it ideal for outdoor pieces.
Over time, your favorite brass pieces can lose their shine as oxygen, water, and other elements cause the metal to corrode or tarnish.
The surface roughness is increased in the presence of H2O2 compared to the untreated brass. This increase in surface roughness is characteristic of dezincification of brass or dealloying in other alloys [3]. The increase in surface roughness becomes more pronounced with the increase of H2O2 concentration.
If the salt isn't getting the job done, reach for baking soda. The nontoxic minerals in it serve as an awesome natural alternative to harsh cleaners. For really tough jobs, sprinkle only the baking soda on your cloth and rub it all over your tarnished brass or copper.
Lemon juice also contains a mild acid that will clean brass. There are two lemon-based cleaners you can make that will leave your brass shiny and bright. For light tarnish, cut a lemon in half and sprinkle it with table salt. Rub the salted lemon over the surface of the brass.
Bleach corrodes many metals. It should never be used on stainless steel, aluminum, copper, brass, marble, or granite. Bleach is neutralized by dirt and other organic material, so it isn't very effective when used on a surface that hasn't been cleaned.
Cleaning (for light soils): The use of isopropyl (rubbing alcohol) applied with the sponge side of a light-duty, "white-padded" scrubbing sponge with the grain of the door. In the event of tougher scuff marks, flip over sponge and gently agitate with the grain of the metal with the white scrub pad.