Corrosion however, happens very often much earlier, namely on the construction sites, where the materials are stored inappropriately and without thought for what each material can actually tolerate.
Anodized aluminum surfaces are being used more and more in construction due to the very beautiful and characteristic appearance of an anodized surface has. The metallic surface in conjunction with the ability to color and decorate aluminum surface provides a wealth of unique and innovative looks at buildings.
These beautiful surfaces hold for the vast majority of outdoor exposure, but often the damage has happened before due to accidental contamination or inadequate storage.
Aluminium surfaces have, with or without anodizing a resistance towards corrosion, as long as the pH remains in the neutral range - pH between 4.5 and 9.
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