When aluminium has been anodized, it means that the metal has been altered through the use of chemicals and an electric current, which forms an utterly hard oxidized stockpile on extremity of the treated surfaces. When aluminium has been polished, it means that the metal has been purified and later polished to a high add footnotes to or a brushed finish. But how gain you say the difference together between the two types?
Texture: Anodized aluminium has a matte finish, whilst if it has been polished the surface will be enormously reflective. If the metal has been polished to a brushed finish, however, it will manner every one same to a matte finish, making it hard to distinguish together surrounded by the two.
Colour: If the metal has been painted, you can attempt to scrap some of the coating off almost an unnoticeable place. If you cannot goings-on the paint to chip off, it means it has been dyed and by yourself anodized aluminium can undergo this sort of treatment.
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Hardness: Take coin and scrape it across an unnoticeable area of the metal. If you can scrape the finish, you are likely dealing taking into account polished aluminium, as the anodized handy has a protective mass that is hermetic as steel and cannot be penetrated.
Don’t attempt to differentiate along amid anodized and polished aluminium by giving out heat through the objects, as both kinds possess the joined heat conductivity and will garner the similar results. Once you are au fait of what type of metal you are dealing in addition to, you will know how to properly treat or clean it.