Potassium salt zinc plating gloss agent

The coating has fine crystals, excellent ductility and dispersion ability, and is easy to passivation; Less organic decomposition, strong resistance to impurities in the plating solution ; The coating is uniform, fullness is good, and salt spray is high after passivation.

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Product Description

Potassium salt zinc plating gloss agent

BZ-528 acid zinc plating brightener

The process features


1 . The coating has fine crystals, excellent ductility and dispersion ability, and is easy to passivation;

2 . Less organic decomposition, strong resistance to impurities in the plating solution ;

3 . The plating solution has a wide operating temperature range, high additive concentration and low consumption;

4 . The coating is uniform, fullness is good, and salt spray is high after passivation.


Process conditions


Cathode current density

0.2-2.0A/dm 2

Anode current density

0.5-3.0A/dm 2





PH value


Cathode efficiency




1. The quality of the pretreatment is extremely important for the quality of electroplating, especially the potassium acid zinc plating.

2. For rack plating, continuous filtration is very important.

3. For rack plating, the cathode must be moved. The movement of the cathode can make the current density wider, and the high current density area is not easy to burn.

4. For rack plating, the anode should be placed in the anode bag to avoid rough plating.


The composition of the plating solution:

Potassium-based plating solution

Electroplating solution composition


Rack plating

Zinc chloride



Potassium chloride



Boric acid



PH value



BZ-528 A softener

20- 3 0mL/L

BZ-528 B brightener

Of 0. The 2 -1 mL / L



Usually add BZ-528 A softener first , and stir evenly, try plating, add BZ-528 B brightener according to the brightness of the workpiece .



BZ-528 A softener:

1 0 0~ 1 50mL/KAH

BZ-528 B brightener

1 0 0~ 1 50mL/KAH



1. BZ-528 A softener and BZ-528 B brightener are supplemented according to current consumption;

2. When the BZ-528 A softener is brought out too much, the BZ-528 A softener must be supplemented appropriately . (When there is white fog on the plated parts and the white fog cannot disappear after adding the brightener, add 3-5mL/L of BZ-528 A softener).


Fault diagnosis:

1. Influence of content factors:

     - zinc chloride content is too high: the uneven distribution of the coating.

     - zinc chloride content is too low: high potential charred.

     - potassium (sodium) content is too high: the cloud point reduction bath; the temperature is low, the zinc anode surface is easily crystallized, so that the plating liquid dross too, the work is easy to produce burrs.

     - potassium (sodium) content is too low: high potential slightly burnt, poor dispersion bath.

     - acid content is too high: the high-potential gray coating, coarse crystals.

     - acid content is too low: rough coating, the pH value changes too rapidly.

     --PH value is too high: high potential burns, zinc metal content decreases, and zinc hydroxide precipitation is formed.

     --PH value is too low: the zinc metal content rises, it is easy to dissolve the base metal to form impurities, causing uneven coating and decreasing coverage.

2. Influence of impurity factors:

     - iron impurities: high potential brown, brittle coating, usually black spots on the plating member, the drum is more eye caused by iron impurities.

     - Copper impurity: typically cause low potential black.


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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