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Lyman Ultrasonic Case Cleaner


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Ultrasonic will not affect aluminum any more than any other metal. I have customers that use ultrasonic cleaning tanks on production aluminum automotive parts all the time. I would venture that any issues with aluminum and ultrasonics is more likely due to the cleaner solution used than the machine. Stay away from cleaners that are too caustic (generally above a pH of 9.0 unless inhibited) and pHs that are too low (less than a 5.5) Both have a tendency to chew on the aluminum at a microscopic level. Also if you see a black or grey film developing on the aluminum while cleaning, it is smut from the alloy and is a sure sign you are etching the aluminum parts. A good neutral cleaner like simple green would work well.

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