Anodized coating + vacuum coating process
A dense oxide film of 5~10 microns is formed on the surface of the anodized coating to improve the wear resistance and corrosion resistance of the caliper. The hardness of the film layer is several times higher than that of the raw material, which effectively protects the metal surface from damage. The excellent microporous adsorption capacity of the film can make the caliper present the natural color of the metal after chemical reaction. After oxidation, a layer of vacuum-coated protective film is added to effectively prevent the corrosion of the caliper by highly corrosive liquids, and it will not fade. It effectively resists the corrosion of the caliper by cleaning agents, thereby maintaining the color for a long time.
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