Why micro rectangular connectors are nickel plated?

1. The stability of nickel plating layer in the air is very high, due to the nickel metal has a strong passivation ability, the surface can quickly generate a very thin passivation film, can resist the atmosphere, alkali and some acid corrosion. 2. Electroplated nickel crystallization is extremely fine, and has excellent polishing properties. Polished nickel plating layer can get mirror-like glossy appearance, while in the atmosphere can maintain its luster for a long time. Therefore, the plating layer is often used for decoration. 3. nickel plating layer of high hardness, can improve the aviation electrical connector products surface wear resistance, commonly used in the printing industry to improve the hardness of the surface of the lead plating media layer. Due to the high chemical stability of nickel metal, some chemical equipment is also commonly used thicker town plating to prevent corrosion by the medium. Can be used instead of stainless steel corrosion, aluminum shell nickel plating can be used instead of preliminary corrosion, you can save money. 4. nickel plating has a wide range of applications, can be used as a protective decorative plating, in the steel, copper and copper alloy surfaces, to protect the substrate material from corrosion or bright decorative role; also often used as an intermediate plating of other plating, which is better corrosion resistance, more beautiful appearance.

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