A coating that integrates nickel , zinc , sulfur, and organic matter is black, commonly known as black nickel. The black nickel layer has a good extinction effect. The hardness itself is higher than that of the galvanized black passivation layer and the copper oxide layer, and has good corrosion resistance, and is commonly used in optical instruments and photographic equipment parts.
Pay attention to the following issues when plating black nickel:
First, pay attention to first turn on the power and then enter the slot, and the power cannot be turned off in the middle.
The second is to regularly clean the coating on the top of the hanger to ensure good electrical contact.
Third, cast iron and certain metal member after the first pre-plating i black nickel zinc, to ensure good adhesion.
Fourth, the plating time should reach a certain time, otherwise it will be brilliant.
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Application:
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Feature:
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