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When attacked by the
environment, aluminium profile in its bare form (mill finish) will
form a layer of oxide on its surface. This oxidation is a form of
corrosion and it affects the appearance of the metal. Anodised film,
on the other hand, is extremely hard, durable and resistant to
corrosion. It offers a number of gloss and colour alternatives.
Unlike powder coating, anodising allows the aluminium profile to
maintain its metallic appearance.
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