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topic 10486

How to stop Aluminum form giving off black stain


I have a 1992 Lund Tyee Boat. The top of the side are about 6" wide and is is unpainted / coated Aluminum. When one touches this area of the boat a black residue is given off. Is there a cleaner or a coat one could put on this area to prevent it form staining anything that get close to it?

Roger L. Schlarbaum
Schlarbaum Real Estate - Vinton, Iowa


I have a similar problem with an extruded aluminium carpet bar. No matter how much it is cleaned a black ink like contamination is given off. It is difficult to replace as it is fixed beneath the leading edge of a newly tiled floor.

Michael Deere
- Fleet, Hampshire, United Kingdom

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