Metode 1: spieël geanodiseerde aluminium plaat, nadat die beskermende film afgeskeur is, raak die spieël met jou vingers, die sweetvlekke op jou vingers sal bo-op die spieël bly, maar na skrop met 'n droë lap of papierhanddoek, vingerafdrukke sal skoongevee word en sal geen spoor laat nie.

Nie na die oksidasie van die spieël aluminium plaat is nie dieselfde nie, leaving the fingerprints will be more and more dirty, and ultimately can not recover the role of the mirror.

Metode 2: put the anodized mirror aluminum plate in the ear bend, if there is a slight cracking sound clarification that is anodized mirror aluminum plate, if not that is not anodized mirror aluminum plate.

Metode 3: the mirror aluminum plate to do 90 degrees T bend, anodized mirror aluminum plate in the T bend will have a slight whitish appearance, which is the reason for the anodic oxide film burst, if the mirror aluminum plate without anodic oxidation does not have this appearance.