The secret of IPhone 6s rose gold is anodic oxidation
Introduction: anodic oxidation is very familiar or unknown to most of us, we may know one of its functions is to make metals have different colors. The well known IPhone series products uses anodic oxidation technology, which has four colors--gold, rose gold, deep grey and silver.
The outstanding features of zinc alloy are low density and high strength, zinc alloy can be more functional and decorative after being anodic oxidated on the surface. Anodic oxidation can realize any colors except white and double color anodic oxidation by covering or removing partial oxide layer. At present, we have realized sealing without nickel, which meet the demands of no nickel for Europeans and Americans.
Anodic oxidation designs
Anodic oxidation designs
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