Galvanized blue and white passivation solution

BZ-215 fluorine-free trivalent chromium blue and white passivation agent for zinc plating is an environmentally friendly new product specially developed for electro-galvanizing enterprises. The product does not contain hexavalent chromium,so that the produced products comply with ROHS and ELV environmental protection regulations and meet export requirements. The discharged wastewater meets the standard. Simple operation,uniform appearance and good corrosion resistance.

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Product Description

Product name: Fluoride-free trivalent chromium blue passivating agent Packing specification: 25kg/barrel
Product appearance: Dark purple liquid Odor: Mild
Specific gravity: 1.20-1.23 Solubility in water: Completely dissolved
Storage method: ventilated and dry place Shelf life: 2 years

Instructions for use

BZ-215 Fluoride-free trivalent chromium blue passivating agent





10-45 seconds

PH value



Mechanical stirring or air stirring


60-80℃ 10-25 minutes

Product features



Free of hexavalent

chromium and fluoride

Green products,pass SGS product testing and certification,comply with ROHS,ELV regulations,use with confidence.





Can get bright and uniform

Blue passivation film

The passivation film has beautiful color,

even and bright,Intense blue light

Not easy to turn yellow and fade,

Can avoid the risk of customer returns.


Good corrosion resistance

TBC active ingredient is added to the product,which has strong anti-rust performance,When the thickness of the

zinc layer is 5-8 microns,NSS > 96 hours.

Can meet the functional requirements of

the high-grade hardware products.





Low consumption

and economical

Source manufacturer,concentrated type,durable and affordable.


Wide application

PH range

PH value operating range is 1.8-3.0

Wide process range and easy






Superior resistance to


High tolerance to iron impurities

and zinc impurities.

Can reduce the processing time and passivation agent.

Loss and cost savings.

Scope of application

About us

Qualification strength

R & D strength

Cooperation brand


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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