Web1 mrt. 2016 · Most alloyed aluminum will require a nitric acid step to remove the smut (residual alloying elements) created by the caustic etch with rinsing. This type of treatment will result in a uniform, matte finish on the aluminum. An acid etch of the part will typically consist of a low (about 1 percent) level of hydrofluoric acid in nitric acid (about ... Web25 aug. 2024 · Wipe chrome fixtures with a mix of equal parts vinegar and water. Soak a lint-free cloth in your mixture and gently rub the chrome. If it's especially dirty, wrap the cloth …
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Best way to remove weld seam? - Miller Welding Discussion Forums
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