Consumers’ appreciation of electrolytic oxidation rests on such popular colours as silver, grey and black. But the recently debuted Rose-Gold finish applied on 3C product is absolutely stunning. This new colour has brought a great challenge to the anodizing practice. It requires sound process control over the automated line and programming to achieve shade consistency and uniformity with healthy glossiness.

Electrolytic oxidation dyed Rose-Gold can be labelled by Lab colour system as 
-L：77-84，a：10.5-14.5 b：8.5-10.5
-Film Thickness: 10 – 13um
-Gloss: 9 - 12

The following are KPIs to achieve to maintain surface quality of Rose-Gold Product:

-Sulfuric acid concentration: higher concentrations of sulfuric acid can facilitate acceleration of  the dissolution reaction of the oxide film, which helps pore expansion for ease of dyeing
-Alum-ion concentration: with low 
alum-ion concentration, the resulting oxide film reduces adsorption capacity, which affects the dyeing speed; high alum-ion concentration may affect the uniformity of the oxide film which may emanates irregular film layer.
-Oxidation temperature:  Oxide temperature too low creates close-knitted pores, which significantly slows down the dyeing speed; while temperature too high creates porosity – a loose pore, which makes dyeing speed too hard to control.
-Electric Current Density: proper current density within a certain range helps speed up film growth rate; when density reaches over, film growth rate reduces.
-Thickness: oxide film thickness is generally at 10μm or beyond.

With 16 years accumulated expertise in Electrolytic Oxidization and introduction of automated Electrolytic Oxidization production line, JM Victor offers more personalized and diversified surface options for your products of up to 3.8meter in linear length.