Black chromium additives

(1) It can be directly electroplated on the bottom layer of stainless steel, copper, nickel, chromium, etc., with good bonding force. (2) The plating solution is stable, the formula is simple, and the operation is convenient.

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Appendix

Product Description

Product Name: Black chromlum additives Packing specification: 25kg/barrel
Product appcarance: orange red liquid PH value: 0.8-1.2
Specific gravity: 1.01-1.03 Solubility in water: All dissolved
Storage: Ventilated and dry place Shelf life: 2 years

Instructions for use

Chromic anhydride

220-400g/L

Sodium nitrate

3.5-4.5g/L

CR-3 Black chromium additives

20-30 ml/L

Temperature

15-25℃

Current density

15-50 A/dm²

Time 

2-5 minutes

Anode

Pb-Sn alloy anode

Production maintenance

300-400ml of CR-3 black chromium additive is needed for every 1000Ah.


Product features

 

131

CR-3 black chromium

process is applied on

the bright nickel layer

to obtain a black and

bright decorative

coating

 

132

 

 

High hardness,

excellent wear

resistance

Fast deposition speed,

wide application

current density,

15-50A/dm²

 

132

 

 

Strong corrosion

resistance, can meet

the strict requirements

of auto parts, optical

instruments, and

military products

131

The plating solution

has good dispersion

and covering ability,

which can be adapted

to the processing of

complex-shaped

workpieces and

deep-hole parts

 

132

 

 

Stable plating solution,

strong impurity

resistance, easy to

operate and maintain

Scope of application

 

 

About us

Qualification strength

R & D strength

Cooperation brand

FAQ

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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