For example, moldings that are to be electroplated, and will be subject to acid solutions during plating, must be made using very slow injection speeds to minimize surface orientation.
例如,要电镀的注塑件在电镀时会经受酸溶液,必须采用很低的注塑速度制造以使表面方向性最小化。
2
The surface of electroplated watchband, in the long-term use, there will be surface rust, showing a mottled surface patina will grow serious rust, these classes can "transfer" to the wrist.