Anodizing is a course of action helpful to thicken the oxide layer on the surface of metal when it comes to corrosion and wear resistance. Anodized aluminum is done by making use of this process, and is used to make pots and pans, car parts, aircraft parts and household objects like flashlights. While anodized aluminum is rather durable, after time, it might become stained or scratched, or it may just look dull. Polishing anodized aluminum can bring back its shine and make it look new again.
One method to clean anodized aluminum is to first de-anodize it to get rid of stains and oxidation, then sand, buff and coat it. Don't use this method for cookware or for aluminum that will be regularly exposed to the elements. Add 1 to 2 tablespoons of drain cleaner crystals to a pan of warm water in order to de-anodize tge aluminum. Place your anodized aluminum pieces within this bath for a minute or so, then lift it out and wipe off the residue before submerging it again for an additional minute. Until the entire anodized surface is gone, continue this cycle, leaving a clean (but still scratched) aluminum surface. Rinse very well with clean water, then sand out the scratches with 800-grit sandpaper. Buff to a shine and clear coat the piece to be able to protect it.
In order to clean anodized aluminum cookware, use mild dish soap, warm water and a non-abrasive pad. You may not get all of the stains off, but scrubbing it with an abrasive cleaner or tool will scratch the surface and render it less effective. There are a few anodized aluminum cleaners available which you can use; look for it at your local hardware store and use it according to directions.
To clean heavily-pitted, scratched and dirty anodized aluminum, use a clear protective coating, available at any hardware store. First, come up with a paste by using a non-abrasive powdered cleanser, wet down your aluminum piece and use the paste with a non-abrasive pad. Scrub carefully and rinse the piece well. Polishing anodized aluminum is not difficult: add 1 to 2 ounces of gentle dish detergent to a gallon of warm water and scrub the piece with all the solution using a soft brush. Rinse it well with clean, warm water, after that, totally dry the surface. Dampen a small microfiber cloth with denatured alcohol, on offer at the hardware store, and wipe the aluminum piece to get rid of any residual oils or fingerprints before you apply the protective coating. Be sure the coating applicator is wet, and also apply the product to the piece in even strokes. Prior to adding another coat if desired, give it time to dry thoroughly.
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Polishing anodized aluminum will keep it shiny and looking brand-new. Whether your piece is part of your vehicle or an architectural feature in your home--or a stapler or mp3 player--keeping it clean and polished will protect it from the elements and prevent further oxidation. Clean anodized aluminum regularly for the best results.
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