Must do derusting and to oxidation film processing, generally use chemical polishing or electrolytic polishing.
必须先做除锈及去氧化膜处理，一般使用化学抛光或电解抛光。
Chemical oxidation: through the chemical processing the metal surface oxidation film formation process.
化学氧化：通过化学处理使金属表面形成氧化膜的过程。
It is mainly reason that wet and salt spray environment and thin film of chemical oxidation.
潮湿的盐雾环境和化学氧化膜的薄而软是引起腐蚀的主要原因。
应用推荐