作者:
nelson
发布时间:
2018
/
07
/
25
点击次数:
62
Core tip: the surface of spring can be generally treated, such as blackening (blue), phosphating, electroplating, spray molding, etc. In recent years, the zinc chromium film dacroa DACROMET dacroa protective layer has excellent corrosion resistance, which is 710 times the corrosion resistance of the traditional electroplating layer, and there is no hydrogen embrittlement in the electroplating process. Generally, the surface of springs can be treated, such as blackening (blue), phosphating, electroplating, spray molding, etc. In recent years, the zinc chromium film "dacrom DACROMET dacroa protective layer" has excellent corrosion resistance, which is 7-10 times the corrosion resistance of traditional electroplating layer, and there is no hydrogen embrittlement of electroplati...