CWF-280 brass blackening agent is designed for copper alloy with about 60% copper content. It is designed for alkaline high temperature blackening. It is also suitable for electroplating copper and copper parts. It has pure blackness and strong adhesion. The optical instrument is blackened and the zipper is blackened.
Concentration: stock solution
Temperature: 95 ° C - 100 ° C
Time: 2-5 minutes
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