first, you look at the aluminum whether it is oxide or not, and the sprayed color lost or not, if not clear, using hot water and adding a little Mr. Muscle, the rag should be a little rough, do not use strong things to wipe, the time should be longer and it may be spent a little time, which can be restored to their original state. If the color is fading, or oxidized , it will have trouble, and it is necessary to use a steel ball, but the appearance will be ruined!
after washing with the acohol using the water to clean, although now the proximate matter has electrophoresis treatment, but it is better to try not to let it contact with corrosive materials, and it is not recommended to use gasoline or nitrocellulose lacquer thinner ( after washing the paint is easily residual, not easily cleaning), or after installing it is better to tear up. ,
Try using a solution of diluted paint, as well as alcohol and acetone solution (because they are all organic solvents). But I think that the kind of diluted paint would be easy to use. Here we call it releasing the receiving water, it may also be called lacquer thinner.
