Products
| Product Name: Hard Chromium Additive | Packing specification: 25kg/barrel |
| Product appearance: Colorless liquid | Odor: Tasteless |
| Specific gravity: 1.06-1.08 | Solubility in water: All dissolved |
| Storage: Ventilated and dry place | Shelf life: 2 years |
Instructions for use
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Chromic anhydride |
220-280g/L |
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Sulfuric acid |
2.2-2.8g/L |
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CR-2 hard chromium additive |
18-22ml/L |
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Ratio of chromic acid and sulfuric acid |
100: 0.8-1.2 |
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Temperature |
55-60℃ |
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Current density |
30-90 ampere/square decimeter |
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Voltage |
15 volts or more |
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Anode |
Pb-Sn alloy anode |
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Deposition rate |
When the current is 50 amps/dm² and the temperature is 55℃, the deposition rate is about 1.0 micron/min |
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Production maintenance |
It needs to add about 10 ml of CR-2 hard chromium additive for every 1000 ampere hours of electricity, or add 5-7 liters of CR-2 hard chromium additive for every 100 kg of chromic anhydride. |
Product features
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No fluoride, no corrosion to the low current density area of the substrate, no corrosion to the anode.
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The cathode current efficiency is high, up to 22%-27%, which is 2-3 times that of the traditional chrome plating process, saving energy.
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Wide application current density, 30-90A/dm², fast deposition speed.
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The hardness of the chrome plating layer is high, up to HV900-HV1200, with excellent damage resistance.
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The coating is micro-cracks, the
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Stable plating solution, strong impurity resistance, easy to operate and maintain.
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Scope of application
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.
