Whilst anodizing is often applied to aluminium in order to make the metal stronger and more durable, it can have a negative affect on its appearance and texture. If you would like to polish your aluminium up, you may be interested in learning how to remove the anodizing coating.
If you have stored aluminium sheets or machining bars nearby to where some cement works are being completed, you may look at your metal at a later date only to find that it has been stained with flecks of cement. These sorts of stains can be highly difficult to remove, as they tend to settle more quickly then other types of stains.
The proper care and maintenance of your aluminium machining bars should begin the moment you receive them. Whilst the metal is known for its durability and resistance to corrosion some alloys can be quite soft, so it is important to make sure that all aluminium bars are carefully handled and cleaned to avoid any possibility of staining and damage.