Color passivation solution for zinc-nickel alloy plating

a colorful trivalent chromium process for electroplating zinc-nickel alloy workpieces. This process may yield green light , the light color ( color mediator in the yellow and green of between ) the film, and has high corrosion resistance.

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Product Description

Color passivation solution for zinc-nickel alloy plating

Zn-324 zinc-nickel alloy trivalent chromium color zinc water

Zn-324 is a colorful trivalent chromium process for electroplating zinc-nickel alloy workpieces. This process may yield green light , the light color ( color mediator in the yellow and green of between ) the film, and has high corrosion resistance. Traditional multicolored six chromium film passivation speaking , this processing to provide the user with a more is safe choice . It may be suitable for hanging and rolling process of the formula shall be used.


1. Suitable for color passivation of zinc-nickel alloy with 12-16% nickel content .

2. The time for coating corrosion to appear in the neutral salt spray accelerated corrosion test: NSS >240 hours (white rust), NSS >1000 hours (red rust).

3. After passivation, it presents a bright multicolored appearance.

4. Environmentally friendly products, comply with ROHS regulations.

Product Process

Solution composition and operating conditions




best value

  Zn-324 color zinc water  

80 -110 ml / liter

100 mL / L


60-70 ℃

65 ℃

Soaking time

60-150 seconds

90 seconds





    Mechanical or air agitation    

Air agitation


Continuous filtration

  Continuous filtration  



1. Q: Do you make the products yourself? Are you a trader or a manufacturer?

A: Yes, the products are produced by our company. Our company is a manufacturer focusing on the R&D and manufacturing of environmental protection electroplating additives. Our factory has 5000 square meters with an annual capacity of 15000 tons.

2. Q: Can your company send samples for trial?

A: We can provide samples for trial.

3. Q: What is the quality of your products?

A: Our company all products core raw materials is used by Germany BASF, American Dow Chemical and other international brand products. The production process is strictly in accordance with the ISO9001 quality management system, from the incoming inspection, product inspection, according to the strict inspection standard, ensure that every drop of products qualified. Product quality you can rest assured, like BYD, Huawei, Foxconn such enterprises are also using our products.

4. Q: How long is the shelf life of your products?

A: The shelf life of our products is two years. If you do not use up the products within a short time after you buy them, we suggest you store them in a cool place, not in the sun or in a high temperature environment.

5. Q: Are your products environmentally safe?

A: Our products have passed the SGS test and are recognized as "Green and Environment-friendly Promotion Products". Many auto parts and electronic products which use our products can pass the strict environmental protection test when they are exported to Europe and America. Therefore, we can be trusted in terms of environmental protection and safety.

6. Q: Can your company provide technical services?

A: Yes, our company has a technical service team of more than 10 people. The technical engineers all have more than 20 years' experience in electroplating factory. They can provide customers with comprehensive technical of pre-sales and after sales.

7. Q: Is it possible to visit your company?

A: Yes, of course. You are very welcome! We can meet you at Jieyang airport, If you can come to our city. Also you can visit our factory through live video.

8. Q: Can you customize products according to our needs?

A: Yes, our company has research and development strength, the product formula derived from Europe and the United States laboratory, European and American engineers technical support, work together with domestic universities. Our company has a member of Guangdong province expert enterprise workstation, Shantou university science and technology correspondent workstation, Jieyang city environmental protection engineering research center for electroplating additive.Therefore, it can meet all kinds of customized requirements proposed by customers.

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