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Which water quality standard should ultra-pure water equipment for electroplating cleaning meet?
Ordinary water contains too much calcium and magnesium ions or iron ions. Once these examples are brought into the plating solution, it is easy to precipitate the plating solution. Or introduce examples of different metals, which makes the electroless nickel plating layer brittle, fuzzy and striped. As long as the water quality standard meets the latest national electronic grade ultra-pure water standard.

The last cleaning water after surface treatment shall meet the cleaning water standard specified in HB5472- 199 1 Water Quality Specification for Metal Electroplating and Chemical Covering Process. In this way, the cleaned parts will not leave water marks, spots or impurities that affect the coating quality.

For details, please refer to Ke Rui Environmental Protection Electroplating Cleaning Ultra-pure Water Equipment Solution.

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