国产亚洲精品久久7788,国产精品无码电影在线观看,久久视频这里只精品99re8久,亚洲高清国产拍精品青青草原

Product name:(Blue Zinc) 1. Sandblasting parts

Surface treatment: trivalent chromium blue zinc
Thickness of film: over 8 M
NSS: 72 hours without white rust, 240 hours without white rust

Overview of electroplating:


Electroplating refers to a surface processing method in which the cations to be plated in the bath are deposited on the surface of the base metal in the salt solution containing the metal to be plated by electrolysis with the base metal as the cathode. The performance of the coating is different from that of the base metal and has new characteristics. According to the function of the coating, it can be divided into protective coating, decorative coating and other functional coating.


Overview of electroplating:


Electroplating refers to a surface processing method in which the cations to be plated in the bath are deposited on the surface of the base metal in the salt solution containing the metal to be plated by electrolysis with the base metal as the cathode. The performance of the coating is different from that of the base metal and has new characteristics. According to the function of the coating, it can be divided into protective coating, decorative coating and other functional coating.