Pretreatment before plating in electroplating process
Release time:
2023-07-29
The purpose of pretreatment before plating is to obtain a clean and fresh metal surface in preparation for the final high-quality plating. To degrease, to rust, to dust and other work. The steps are as follows:
The purpose of pretreatment before plating is to obtain a clean and fresh metal surface in preparation for the final high-quality plating. To degrease, to rust, to dust and other work. The steps are as follows:
The first step is to make the surface roughness meet certain requirements, which can be achieved by surface grinding, polishing and other process methods.
The second step of degreasing can be achieved by solvent dissolution, chemical and electrochemical methods;
The third step of rust removal, available mechanical, pickling and electrochemical methods of rust removal;
The fourth step of activation treatment, generally in weak acid erosion for a certain period of time before plating activation treatment.
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