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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Thin Acid Resistant Coating for Metal Device

We are trying to find a suitable coating for a cylinder-shaped metal device (diameter is around 6 cm) that is to be immersed constantly in a hypochlorous acid solution with a pH of around 5. This coating should be as thin as possible(if possible, less than 2 mm thick). Your response would be greatly appreciated.

Aria Pezeshk
Student - State College, Pennsylvania, USA
2004

2 mm is quite thick for a coating, Aria. Have you given us the wrong units of measure? A plastisol coating of 2 mm thickness or less is often used as a tank lining or rack coating to prevent corrosion against powerful and diverse acids. If this is a one-time experiment, platers tape (similar to electricians tape, but heavier) might do.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2004

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